449854990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 898128000

約数和(自身を除く): 448273010

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 109, 130, 218, 265, 530, 545, 599, 689, 1090, 1198, 1378, 1417, 2834, 2995, 3445, 5777, 5990, 6890, 7085, 7787, 11554, 14170, 15574, 28885, 31747, 38935, 57770, 63494, 65291, 75101, 77870, 130582, 150202, 158735, 317470, 326455, 375505, 412711, 652910, 751010, 825422, 848783, 1697566, 2063555, 3460423, 4127110, 4243915, 6920846, 8487830, 17302115, 34604230, 44985499, 89970998, 224927495, 449854990]

約数ペア:

[(1, 449854990), (2, 224927495), (5, 89970998), (10, 44985499), (13, 34604230), (26, 17302115), (53, 8487830), (65, 6920846), (106, 4243915), (109, 4127110), (130, 3460423), (218, 2063555), (265, 1697566), (530, 848783), (545, 825422), (599, 751010), (689, 652910), (1090, 412711), (1198, 375505), (1378, 326455), (1417, 317470), (2834, 158735), (2995, 150202), (3445, 130582), (5777, 77870), (5990, 75101), (6890, 65291), (7085, 63494), (7787, 57770), (11554, 38935), (14170, 31747), (15574, 28885)]