840208500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:392

約数の個数: 288

約数和(自身を含む): 2889169920

約数和(自身を除く): 2048961420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 31, 36, 38, 45, 50, 57, 60, 62, 75, 76, 90, 93, 95, 100, 114, 124, 125, 150, 155, 171, 180, 186, 190, 225, 228, 250, 279, 285, 300, 310, 317, 342, 372, 375, 380, 450, 465, 475, 500, 558, 570, 589, 620, 634, 684, 750, 775, 855, 900, 930, 950, 951, 1116, 1125, 1140, 1178, 1268, 1395, 1425, 1500, 1550, 1585, 1710, 1767, 1860, 1900, 1902, 2250, 2325, 2356, 2375, 2790, 2850, 2853, 2945, 3100, 3170, 3420, 3534, 3804, 3875, 4275, 4500, 4650, 4750, 4755, 5301, 5580, 5700, 5706, 5890, 6023, 6340, 6975, 7068, 7125, 7750, 7925, 8550, 8835, 9300, 9500, 9510, 9827, 10602, 11412, 11625, 11780, 12046, 13950, 14250, 14265, 14725, 15500, 15850, 17100, 17670, 18069, 19020, 19654, 21204, 21375, 23250, 23775, 24092, 26505, 27900, 28500, 28530, 29450, 29481, 30115, 31700, 34875, 35340, 36138, 39308, 39625, 42750, 44175, 46500, 47550, 49135, 53010, 54207, 57060, 58900, 58962, 60230, 69750, 71325, 72276, 73625, 79250, 85500, 88350, 88443, 90345, 95100, 98270, 106020, 108414, 117924, 118875, 120460, 132525, 139500, 142650, 147250, 147405, 150575, 158500, 176700, 176886, 180690, 186713, 196540, 216828, 220875, 237750, 245675, 265050, 271035, 285300, 294500, 294810, 301150, 353772, 356625, 361380, 373426, 441750, 442215, 451725, 475500, 491350, 530100, 542070, 560139, 589620, 602300, 662625, 713250, 737025, 746852, 752875, 883500, 884430, 903450, 933565, 982700, 1084140, 1120278, 1228375, 1325250, 1355175, 1426500, 1474050, 1505750, 1680417, 1768860, 1806900, 1867130, 2211075, 2240556, 2258625, 2456750, 2650500, 2710350, 2800695, 2948100, 3011500, 3360834, 3685125, 3734260, 4422150, 4517250, 4667825, 4913500, 5420700, 5601390, 6721668, 6775875, 7370250, 8402085, 8844300, 9034500, 9335650, 11055375, 11202780, 13551750, 14003475, 14740500, 16804170, 18671300, 22110750, 23339125, 27103500, 28006950, 33608340, 42010425, 44221500, 46678250, 56013900, 70017375, 84020850, 93356500, 140034750, 168041700, 210052125, 280069500, 420104250, 840208500]

約数ペア:

[(1, 840208500), (2, 420104250), (3, 280069500), (4, 210052125), (5, 168041700), (6, 140034750), (9, 93356500), (10, 84020850), (12, 70017375), (15, 56013900), (18, 46678250), (19, 44221500), (20, 42010425), (25, 33608340), (30, 28006950), (31, 27103500), (36, 23339125), (38, 22110750), (45, 18671300), (50, 16804170), (57, 14740500), (60, 14003475), (62, 13551750), (75, 11202780), (76, 11055375), (90, 9335650), (93, 9034500), (95, 8844300), (100, 8402085), (114, 7370250), (124, 6775875), (125, 6721668), (150, 5601390), (155, 5420700), (171, 4913500), (180, 4667825), (186, 4517250), (190, 4422150), (225, 3734260), (228, 3685125), (250, 3360834), (279, 3011500), (285, 2948100), (300, 2800695), (310, 2710350), (317, 2650500), (342, 2456750), (372, 2258625), (375, 2240556), (380, 2211075), (450, 1867130), (465, 1806900), (475, 1768860), (500, 1680417), (558, 1505750), (570, 1474050), (589, 1426500), (620, 1355175), (634, 1325250), (684, 1228375), (750, 1120278), (775, 1084140), (855, 982700), (900, 933565), (930, 903450), (950, 884430), (951, 883500), (1116, 752875), (1125, 746852), (1140, 737025), (1178, 713250), (1268, 662625), (1395, 602300), (1425, 589620), (1500, 560139), (1550, 542070), (1585, 530100), (1710, 491350), (1767, 475500), (1860, 451725), (1900, 442215), (1902, 441750), (2250, 373426), (2325, 361380), (2356, 356625), (2375, 353772), (2790, 301150), (2850, 294810), (2853, 294500), (2945, 285300), (3100, 271035), (3170, 265050), (3420, 245675), (3534, 237750), (3804, 220875), (3875, 216828), (4275, 196540), (4500, 186713), (4650, 180690), (4750, 176886), (4755, 176700), (5301, 158500), (5580, 150575), (5700, 147405), (5706, 147250), (5890, 142650), (6023, 139500), (6340, 132525), (6975, 120460), (7068, 118875), (7125, 117924), (7750, 108414), (7925, 106020), (8550, 98270), (8835, 95100), (9300, 90345), (9500, 88443), (9510, 88350), (9827, 85500), (10602, 79250), (11412, 73625), (11625, 72276), (11780, 71325), (12046, 69750), (13950, 60230), (14250, 58962), (14265, 58900), (14725, 57060), (15500, 54207), (15850, 53010), (17100, 49135), (17670, 47550), (18069, 46500), (19020, 44175), (19654, 42750), (21204, 39625), (21375, 39308), (23250, 36138), (23775, 35340), (24092, 34875), (26505, 31700), (27900, 30115), (28500, 29481), (28530, 29450)]