109680920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{521}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 261208800

約数和(自身を除く): 151527880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 277, 380, 521, 554, 760, 1042, 1108, 1385, 2084, 2216, 2605, 2770, 4168, 5210, 5263, 5540, 9899, 10420, 10526, 11080, 19798, 20840, 21052, 26315, 39596, 42104, 49495, 52630, 79192, 98990, 105260, 144317, 197980, 210520, 288634, 395960, 577268, 721585, 1154536, 1443170, 2742023, 2886340, 5484046, 5772680, 10968092, 13710115, 21936184, 27420230, 54840460, 109680920]

約数ペア:

[(1, 109680920), (2, 54840460), (4, 27420230), (5, 21936184), (8, 13710115), (10, 10968092), (19, 5772680), (20, 5484046), (38, 2886340), (40, 2742023), (76, 1443170), (95, 1154536), (152, 721585), (190, 577268), (277, 395960), (380, 288634), (521, 210520), (554, 197980), (760, 144317), (1042, 105260), (1108, 98990), (1385, 79192), (2084, 52630), (2216, 49495), (2605, 42104), (2770, 39596), (4168, 26315), (5210, 21052), (5263, 20840), (5540, 19798), (9899, 11080), (10420, 10526)]