140379980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 338170560

約数和(自身を除く): 197790580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 157, 181, 190, 247, 260, 314, 362, 380, 494, 628, 724, 785, 905, 988, 1235, 1570, 1810, 2041, 2353, 2470, 2983, 3140, 3439, 3620, 4082, 4706, 4940, 5966, 6878, 8164, 9412, 10205, 11765, 11932, 13756, 14915, 17195, 20410, 23530, 28417, 29830, 34390, 38779, 40820, 44707, 47060, 56834, 59660, 68780, 77558, 89414, 113668, 142085, 155116, 178828, 193895, 223535, 284170, 369421, 387790, 447070, 539923, 568340, 738842, 775580, 894140, 1079846, 1477684, 1847105, 2159692, 2699615, 3694210, 5399230, 7018999, 7388420, 10798460, 14037998, 28075996, 35094995, 70189990, 140379980]

約数ペア:

[(1, 140379980), (2, 70189990), (4, 35094995), (5, 28075996), (10, 14037998), (13, 10798460), (19, 7388420), (20, 7018999), (26, 5399230), (38, 3694210), (52, 2699615), (65, 2159692), (76, 1847105), (95, 1477684), (130, 1079846), (157, 894140), (181, 775580), (190, 738842), (247, 568340), (260, 539923), (314, 447070), (362, 387790), (380, 369421), (494, 284170), (628, 223535), (724, 193895), (785, 178828), (905, 155116), (988, 142085), (1235, 113668), (1570, 89414), (1810, 77558), (2041, 68780), (2353, 59660), (2470, 56834), (2983, 47060), (3140, 44707), (3439, 40820), (3620, 38779), (4082, 34390), (4706, 29830), (4940, 28417), (5966, 23530), (6878, 20410), (8164, 17195), (9412, 14915), (10205, 13756), (11765, 11932)]