1990012500

素因数分解:

$2^2\times 3^2\times 5^5\times 7^2\times {\mathrm{19}}^2$

素因数の和:87

約数の個数: 486

約数和(自身を含む): 7719220782

約数和(自身を除く): 5729208282

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 49, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 98, 100, 105, 114, 125, 126, 133, 140, 147, 150, 171, 175, 180, 190, 196, 210, 225, 228, 245, 250, 252, 266, 285, 294, 300, 315, 342, 350, 361, 375, 380, 399, 420, 441, 450, 475, 490, 500, 525, 532, 570, 588, 625, 630, 665, 684, 700, 722, 735, 750, 798, 855, 875, 882, 900, 931, 950, 980, 1050, 1083, 1125, 1140, 1197, 1225, 1250, 1260, 1330, 1425, 1444, 1470, 1500, 1575, 1596, 1710, 1750, 1764, 1805, 1862, 1875, 1900, 1995, 2100, 2166, 2205, 2250, 2375, 2394, 2450, 2500, 2527, 2625, 2660, 2793, 2850, 2940, 3125, 3150, 3249, 3325, 3420, 3500, 3610, 3675, 3724, 3750, 3990, 4275, 4332, 4375, 4410, 4500, 4655, 4750, 4788, 4900, 5054, 5250, 5415, 5586, 5625, 5700, 5985, 6125, 6250, 6300, 6498, 6650, 7125, 7220, 7350, 7500, 7581, 7875, 7980, 8379, 8550, 8750, 8820, 9025, 9310, 9375, 9500, 9975, 10108, 10500, 10830, 11025, 11172, 11250, 11875, 11970, 12250, 12500, 12635, 12996, 13125, 13300, 13965, 14250, 14700, 15162, 15750, 16245, 16625, 16758, 17100, 17500, 17689, 18050, 18375, 18620, 18750, 19950, 21375, 21660, 21875, 22050, 22500, 22743, 23275, 23750, 23940, 24500, 25270, 26250, 27075, 27930, 28125, 28500, 29925, 30324, 30625, 31500, 32490, 33250, 33516, 35378, 35625, 36100, 36750, 37500, 37905, 39375, 39900, 41895, 42750, 43750, 44100, 45125, 45486, 46550, 47500, 49875, 50540, 52500, 53067, 54150, 55125, 55860, 56250, 59375, 59850, 61250, 63175, 64980, 65625, 66500, 69825, 70756, 71250, 73500, 75810, 78750, 81225, 83125, 83790, 85500, 87500, 88445, 90250, 90972, 91875, 93100, 99750, 106134, 106875, 108300, 110250, 112500, 113715, 116375, 118750, 119700, 122500, 126350, 131250, 135375, 139650, 142500, 149625, 151620, 153125, 157500, 159201, 162450, 166250, 167580, 176890, 178125, 180500, 183750, 189525, 196875, 199500, 209475, 212268, 213750, 220500, 225625, 227430, 232750, 237500, 249375, 252700, 262500, 265335, 270750, 275625, 279300, 299250, 306250, 315875, 318402, 324900, 332500, 349125, 353780, 356250, 367500, 379050, 393750, 406125, 415625, 418950, 427500, 442225, 451250, 454860, 459375, 465500, 498750, 530670, 534375, 541500, 551250, 568575, 581875, 598500, 612500, 631750, 636804, 676875, 698250, 712500, 748125, 758100, 787500, 796005, 812250, 831250, 837900, 884450, 902500, 918750, 947625, 997500, 1047375, 1061340, 1068750, 1102500, 1128125, 1137150, 1163750, 1246875, 1263500, 1326675, 1353750, 1378125, 1396500, 1496250, 1579375, 1592010, 1624500, 1662500, 1745625, 1768900, 1837500, 1895250, 2030625, 2094750, 2137500, 2211125, 2256250, 2274300, 2327500, 2493750, 2653350, 2707500, 2756250, 2842875, 2909375, 2992500, 3158750, 3184020, 3384375, 3491250, 3740625, 3790500, 3980025, 4061250, 4189500, 4422250, 4512500, 4738125, 4987500, 5236875, 5306700, 5512500, 5685750, 5818750, 6317500, 6633375, 6768750, 6982500, 7481250, 7896875, 7960050, 8122500, 8728125, 8844500, 9476250, 10153125, 10473750, 11055625, 11371500, 11637500, 13266750, 13537500, 14214375, 14962500, 15793750, 15920100, 17456250, 18952500, 19900125, 20306250, 20947500, 22111250, 23690625, 26184375, 26533500, 28428750, 31587500, 33166875, 34912500, 39800250, 40612500, 44222500, 47381250, 52368750, 55278125, 56857500, 66333750, 71071875, 79600500, 94762500, 99500625, 104737500, 110556250, 132667500, 142143750, 165834375, 199001250, 221112500, 284287500, 331668750, 398002500, 497503125, 663337500, 995006250, 1990012500]

約数ペア:

[(1, 1990012500), (2, 995006250), (3, 663337500), (4, 497503125), (5, 398002500), (6, 331668750), (7, 284287500), (9, 221112500), (10, 199001250), (12, 165834375), (14, 142143750), (15, 132667500), (18, 110556250), (19, 104737500), (20, 99500625), (21, 94762500), (25, 79600500), (28, 71071875), (30, 66333750), (35, 56857500), (36, 55278125), (38, 52368750), (42, 47381250), (45, 44222500), (49, 40612500), (50, 39800250), (57, 34912500), (60, 33166875), (63, 31587500), (70, 28428750), (75, 26533500), (76, 26184375), (84, 23690625), (90, 22111250), (95, 20947500), (98, 20306250), (100, 19900125), (105, 18952500), (114, 17456250), (125, 15920100), (126, 15793750), (133, 14962500), (140, 14214375), (147, 13537500), (150, 13266750), (171, 11637500), (175, 11371500), (180, 11055625), (190, 10473750), (196, 10153125), (210, 9476250), (225, 8844500), (228, 8728125), (245, 8122500), (250, 7960050), (252, 7896875), (266, 7481250), (285, 6982500), (294, 6768750), (300, 6633375), (315, 6317500), (342, 5818750), (350, 5685750), (361, 5512500), (375, 5306700), (380, 5236875), (399, 4987500), (420, 4738125), (441, 4512500), (450, 4422250), (475, 4189500), (490, 4061250), (500, 3980025), (525, 3790500), (532, 3740625), (570, 3491250), (588, 3384375), (625, 3184020), (630, 3158750), (665, 2992500), (684, 2909375), (700, 2842875), (722, 2756250), (735, 2707500), (750, 2653350), (798, 2493750), (855, 2327500), (875, 2274300), (882, 2256250), (900, 2211125), (931, 2137500), (950, 2094750), (980, 2030625), (1050, 1895250), (1083, 1837500), (1125, 1768900), (1140, 1745625), (1197, 1662500), (1225, 1624500), (1250, 1592010), (1260, 1579375), (1330, 1496250), (1425, 1396500), (1444, 1378125), (1470, 1353750), (1500, 1326675), (1575, 1263500), (1596, 1246875), (1710, 1163750), (1750, 1137150), (1764, 1128125), (1805, 1102500), (1862, 1068750), (1875, 1061340), (1900, 1047375), (1995, 997500), (2100, 947625), (2166, 918750), (2205, 902500), (2250, 884450), (2375, 837900), (2394, 831250), (2450, 812250), (2500, 796005), (2527, 787500), (2625, 758100), (2660, 748125), (2793, 712500), (2850, 698250), (2940, 676875), (3125, 636804), (3150, 631750), (3249, 612500), (3325, 598500), (3420, 581875), (3500, 568575), (3610, 551250), (3675, 541500), (3724, 534375), (3750, 530670), (3990, 498750), (4275, 465500), (4332, 459375), (4375, 454860), (4410, 451250), (4500, 442225), (4655, 427500), (4750, 418950), (4788, 415625), (4900, 406125), (5054, 393750), (5250, 379050), (5415, 367500), (5586, 356250), (5625, 353780), (5700, 349125), (5985, 332500), (6125, 324900), (6250, 318402), (6300, 315875), (6498, 306250), (6650, 299250), (7125, 279300), (7220, 275625), (7350, 270750), (7500, 265335), (7581, 262500), (7875, 252700), (7980, 249375), (8379, 237500), (8550, 232750), (8750, 227430), (8820, 225625), (9025, 220500), (9310, 213750), (9375, 212268), (9500, 209475), (9975, 199500), (10108, 196875), (10500, 189525), (10830, 183750), (11025, 180500), (11172, 178125), (11250, 176890), (11875, 167580), (11970, 166250), (12250, 162450), (12500, 159201), (12635, 157500), (12996, 153125), (13125, 151620), (13300, 149625), (13965, 142500), (14250, 139650), (14700, 135375), (15162, 131250), (15750, 126350), (16245, 122500), (16625, 119700), (16758, 118750), (17100, 116375), (17500, 113715), (17689, 112500), (18050, 110250), (18375, 108300), (18620, 106875), (18750, 106134), (19950, 99750), (21375, 93100), (21660, 91875), (21875, 90972), (22050, 90250), (22500, 88445), (22743, 87500), (23275, 85500), (23750, 83790), (23940, 83125), (24500, 81225), (25270, 78750), (26250, 75810), (27075, 73500), (27930, 71250), (28125, 70756), (28500, 69825), (29925, 66500), (30324, 65625), (30625, 64980), (31500, 63175), (32490, 61250), (33250, 59850), (33516, 59375), (35378, 56250), (35625, 55860), (36100, 55125), (36750, 54150), (37500, 53067), (37905, 52500), (39375, 50540), (39900, 49875), (41895, 47500), (42750, 46550), (43750, 45486), (44100, 45125)]