858197320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2549}}^1$

素因数の和:3022

約数の個数: 64

約数和(自身を含む): 2037960000

約数和(自身を除く): 1179762680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 443, 760, 886, 1772, 2215, 2549, 3544, 4430, 5098, 8417, 8860, 10196, 12745, 16834, 17720, 20392, 25490, 33668, 42085, 48431, 50980, 67336, 84170, 96862, 101960, 168340, 193724, 242155, 336680, 387448, 484310, 968620, 1129207, 1937240, 2258414, 4516828, 5646035, 9033656, 11292070, 21454933, 22584140, 42909866, 45168280, 85819732, 107274665, 171639464, 214549330, 429098660, 858197320]

約数ペア:

[(1, 858197320), (2, 429098660), (4, 214549330), (5, 171639464), (8, 107274665), (10, 85819732), (19, 45168280), (20, 42909866), (38, 22584140), (40, 21454933), (76, 11292070), (95, 9033656), (152, 5646035), (190, 4516828), (380, 2258414), (443, 1937240), (760, 1129207), (886, 968620), (1772, 484310), (2215, 387448), (2549, 336680), (3544, 242155), (4430, 193724), (5098, 168340), (8417, 101960), (8860, 96862), (10196, 84170), (12745, 67336), (16834, 50980), (17720, 48431), (20392, 42085), (25490, 33668)]