153325100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 344071728

約数和(自身を除く): 190746628

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 181, 197, 215, 362, 394, 430, 724, 788, 860, 905, 985, 1075, 1810, 1970, 2150, 3620, 3940, 4300, 4525, 4925, 7783, 8471, 9050, 9850, 15566, 16942, 18100, 19700, 31132, 33884, 35657, 38915, 42355, 71314, 77830, 84710, 142628, 155660, 169420, 178285, 194575, 211775, 356570, 389150, 423550, 713140, 778300, 847100, 891425, 1533251, 1782850, 3066502, 3565700, 6133004, 7666255, 15332510, 30665020, 38331275, 76662550, 153325100]

約数ペア:

[(1, 153325100), (2, 76662550), (4, 38331275), (5, 30665020), (10, 15332510), (20, 7666255), (25, 6133004), (43, 3565700), (50, 3066502), (86, 1782850), (100, 1533251), (172, 891425), (181, 847100), (197, 778300), (215, 713140), (362, 423550), (394, 389150), (430, 356570), (724, 211775), (788, 194575), (860, 178285), (905, 169420), (985, 155660), (1075, 142628), (1810, 84710), (1970, 77830), (2150, 71314), (3620, 42355), (3940, 38915), (4300, 35657), (4525, 33884), (4925, 31132), (7783, 19700), (8471, 18100), (9050, 16942), (9850, 15566)]