133471400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^2\times {\mathrm{397}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 318875610

約数和(自身を除く): 185404210

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 397, 410, 794, 820, 1025, 1588, 1640, 1681, 1985, 2050, 3176, 3362, 3970, 4100, 6724, 7940, 8200, 8405, 9925, 13448, 15880, 16277, 16810, 19850, 32554, 33620, 39700, 42025, 65108, 67240, 79400, 81385, 84050, 130216, 162770, 168100, 325540, 336200, 406925, 651080, 667357, 813850, 1334714, 1627700, 2669428, 3255400, 3336785, 5338856, 6673570, 13347140, 16683925, 26694280, 33367850, 66735700, 133471400]

約数ペア:

[(1, 133471400), (2, 66735700), (4, 33367850), (5, 26694280), (8, 16683925), (10, 13347140), (20, 6673570), (25, 5338856), (40, 3336785), (41, 3255400), (50, 2669428), (82, 1627700), (100, 1334714), (164, 813850), (200, 667357), (205, 651080), (328, 406925), (397, 336200), (410, 325540), (794, 168100), (820, 162770), (1025, 130216), (1588, 84050), (1640, 81385), (1681, 79400), (1985, 67240), (2050, 65108), (3176, 42025), (3362, 39700), (3970, 33620), (4100, 32554), (6724, 19850), (7940, 16810), (8200, 16277), (8405, 15880), (9925, 13448)]