198331400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{13967}}^1$

素因数の和:14054

約数の個数: 48

約数和(自身を含む): 467648640

約数和(自身を除く): 269317240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 13967, 14200, 27934, 55868, 69835, 111736, 139670, 279340, 349175, 558680, 698350, 991657, 1396700, 1983314, 2793400, 3966628, 4958285, 7933256, 9916570, 19833140, 24791425, 39666280, 49582850, 99165700, 198331400]

約数ペア:

[(1, 198331400), (2, 99165700), (4, 49582850), (5, 39666280), (8, 24791425), (10, 19833140), (20, 9916570), (25, 7933256), (40, 4958285), (50, 3966628), (71, 2793400), (100, 1983314), (142, 1396700), (200, 991657), (284, 698350), (355, 558680), (568, 349175), (710, 279340), (1420, 139670), (1775, 111736), (2840, 69835), (3550, 55868), (7100, 27934), (13967, 14200)]