78217340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 184923648

約数和(自身を除く): 106706308

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 41, 62, 68, 82, 85, 124, 155, 164, 170, 181, 205, 310, 340, 362, 410, 527, 620, 697, 724, 820, 905, 1054, 1271, 1394, 1810, 2108, 2542, 2635, 2788, 3077, 3485, 3620, 5084, 5270, 5611, 6154, 6355, 6970, 7421, 10540, 11222, 12308, 12710, 13940, 14842, 15385, 21607, 22444, 25420, 28055, 29684, 30770, 37105, 43214, 56110, 61540, 74210, 86428, 95387, 108035, 112220, 126157, 148420, 190774, 216070, 230051, 252314, 381548, 432140, 460102, 476935, 504628, 630785, 920204, 953870, 1150255, 1261570, 1907740, 2300510, 2523140, 3910867, 4601020, 7821734, 15643468, 19554335, 39108670, 78217340]

約数ペア:

[(1, 78217340), (2, 39108670), (4, 19554335), (5, 15643468), (10, 7821734), (17, 4601020), (20, 3910867), (31, 2523140), (34, 2300510), (41, 1907740), (62, 1261570), (68, 1150255), (82, 953870), (85, 920204), (124, 630785), (155, 504628), (164, 476935), (170, 460102), (181, 432140), (205, 381548), (310, 252314), (340, 230051), (362, 216070), (410, 190774), (527, 148420), (620, 126157), (697, 112220), (724, 108035), (820, 95387), (905, 86428), (1054, 74210), (1271, 61540), (1394, 56110), (1810, 43214), (2108, 37105), (2542, 30770), (2635, 29684), (2788, 28055), (3077, 25420), (3485, 22444), (3620, 21607), (5084, 15385), (5270, 14842), (5611, 13940), (6154, 12710), (6355, 12308), (6970, 11222), (7421, 10540)]