64715271700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2351}}^1\times {\mathrm{3877}}^1$

素因数の和:6313

約数の個数: 72

約数和(自身を含む): 142507378944

約数和(自身を除く): 77792107244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2351, 3550, 3877, 4702, 7100, 7754, 9404, 11755, 15508, 19385, 23510, 38770, 47020, 58775, 77540, 96925, 117550, 166921, 193850, 235100, 275267, 333842, 387700, 550534, 667684, 834605, 1101068, 1376335, 1669210, 2752670, 3338420, 4173025, 5505340, 6881675, 8346050, 9114827, 13763350, 16692100, 18229654, 27526700, 36459308, 45574135, 91148270, 182296540, 227870675, 455741350, 647152717, 911482700, 1294305434, 2588610868, 3235763585, 6471527170, 12943054340, 16178817925, 32357635850, 64715271700]

約数ペア:

[(1, 64715271700), (2, 32357635850), (4, 16178817925), (5, 12943054340), (10, 6471527170), (20, 3235763585), (25, 2588610868), (50, 1294305434), (71, 911482700), (100, 647152717), (142, 455741350), (284, 227870675), (355, 182296540), (710, 91148270), (1420, 45574135), (1775, 36459308), (2351, 27526700), (3550, 18229654), (3877, 16692100), (4702, 13763350), (7100, 9114827), (7754, 8346050), (9404, 6881675), (11755, 5505340), (15508, 4173025), (19385, 3338420), (23510, 2752670), (38770, 1669210), (47020, 1376335), (58775, 1101068), (77540, 834605), (96925, 667684), (117550, 550534), (166921, 387700), (193850, 333842), (235100, 275267)]