1489049380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 4332384000

約数和(自身を除く): 2843334620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 19, 20, 26, 28, 34, 35, 38, 52, 65, 68, 70, 76, 85, 91, 95, 119, 130, 133, 140, 149, 170, 182, 190, 221, 238, 247, 260, 266, 289, 298, 323, 340, 364, 380, 442, 455, 476, 494, 532, 578, 595, 596, 646, 665, 745, 884, 910, 988, 1043, 1105, 1156, 1190, 1235, 1292, 1330, 1445, 1490, 1547, 1615, 1729, 1820, 1937, 2023, 2086, 2210, 2261, 2380, 2470, 2533, 2660, 2831, 2890, 2980, 3094, 3230, 3458, 3757, 3874, 4046, 4172, 4199, 4420, 4522, 4940, 5066, 5215, 5491, 5662, 5780, 6188, 6460, 6916, 7514, 7735, 7748, 8092, 8398, 8645, 9044, 9685, 10115, 10132, 10430, 10982, 11305, 11324, 12665, 13559, 14155, 15028, 15470, 16796, 17290, 17731, 18785, 19370, 19817, 20230, 20860, 20995, 21964, 22610, 25330, 26299, 27118, 27455, 28310, 29393, 30940, 32929, 34580, 35462, 36803, 37570, 38437, 38740, 39634, 40460, 41990, 43061, 45220, 48127, 50660, 52598, 54236, 54910, 56620, 58786, 65858, 67795, 70924, 71383, 73606, 75140, 76874, 79268, 83980, 86122, 88655, 96254, 99085, 105196, 109820, 117572, 131495, 131716, 135590, 142766, 146965, 147212, 153748, 164645, 172244, 177310, 184015, 192185, 192508, 198170, 215305, 230503, 240635, 257621, 262990, 271180, 285532, 293930, 301427, 329290, 336889, 354620, 356915, 368030, 384370, 396340, 430610, 461006, 481270, 499681, 515242, 525980, 559793, 587860, 602854, 625651, 658580, 673778, 713830, 736060, 768740, 818159, 861220, 922012, 962540, 999362, 1030484, 1119586, 1152515, 1205708, 1251302, 1288105, 1347556, 1427660, 1507135, 1636318, 1684445, 1998724, 2239172, 2305030, 2498405, 2502604, 2576210, 2798965, 3014270, 3128255, 3272636, 3368890, 3918551, 4090795, 4379557, 4610060, 4996810, 5152420, 5597930, 5727113, 6028540, 6256510, 6737780, 7837102, 8181590, 8759114, 9993620, 10636067, 11195860, 11454226, 12513020, 15674204, 16363180, 17518228, 19592755, 21272134, 21897785, 22908452, 28635565, 39185510, 42544268, 43795570, 53180335, 57271130, 74452469, 78371020, 87591140, 106360670, 114542260, 148904938, 212721340, 297809876, 372262345, 744524690, 1489049380]

約数ペア:

[(1, 1489049380), (2, 744524690), (4, 372262345), (5, 297809876), (7, 212721340), (10, 148904938), (13, 114542260), (14, 106360670), (17, 87591140), (19, 78371020), (20, 74452469), (26, 57271130), (28, 53180335), (34, 43795570), (35, 42544268), (38, 39185510), (52, 28635565), (65, 22908452), (68, 21897785), (70, 21272134), (76, 19592755), (85, 17518228), (91, 16363180), (95, 15674204), (119, 12513020), (130, 11454226), (133, 11195860), (140, 10636067), (149, 9993620), (170, 8759114), (182, 8181590), (190, 7837102), (221, 6737780), (238, 6256510), (247, 6028540), (260, 5727113), (266, 5597930), (289, 5152420), (298, 4996810), (323, 4610060), (340, 4379557), (364, 4090795), (380, 3918551), (442, 3368890), (455, 3272636), (476, 3128255), (494, 3014270), (532, 2798965), (578, 2576210), (595, 2502604), (596, 2498405), (646, 2305030), (665, 2239172), (745, 1998724), (884, 1684445), (910, 1636318), (988, 1507135), (1043, 1427660), (1105, 1347556), (1156, 1288105), (1190, 1251302), (1235, 1205708), (1292, 1152515), (1330, 1119586), (1445, 1030484), (1490, 999362), (1547, 962540), (1615, 922012), (1729, 861220), (1820, 818159), (1937, 768740), (2023, 736060), (2086, 713830), (2210, 673778), (2261, 658580), (2380, 625651), (2470, 602854), (2533, 587860), (2660, 559793), (2831, 525980), (2890, 515242), (2980, 499681), (3094, 481270), (3230, 461006), (3458, 430610), (3757, 396340), (3874, 384370), (4046, 368030), (4172, 356915), (4199, 354620), (4420, 336889), (4522, 329290), (4940, 301427), (5066, 293930), (5215, 285532), (5491, 271180), (5662, 262990), (5780, 257621), (6188, 240635), (6460, 230503), (6916, 215305), (7514, 198170), (7735, 192508), (7748, 192185), (8092, 184015), (8398, 177310), (8645, 172244), (9044, 164645), (9685, 153748), (10115, 147212), (10132, 146965), (10430, 142766), (10982, 135590), (11305, 131716), (11324, 131495), (12665, 117572), (13559, 109820), (14155, 105196), (15028, 99085), (15470, 96254), (16796, 88655), (17290, 86122), (17731, 83980), (18785, 79268), (19370, 76874), (19817, 75140), (20230, 73606), (20860, 71383), (20995, 70924), (21964, 67795), (22610, 65858), (25330, 58786), (26299, 56620), (27118, 54910), (27455, 54236), (28310, 52598), (29393, 50660), (30940, 48127), (32929, 45220), (34580, 43061), (35462, 41990), (36803, 40460), (37570, 39634), (38437, 38740)]