388950040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{677}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 896261760

約数和(自身を除く): 507311720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 271, 424, 530, 542, 677, 1060, 1084, 1354, 1355, 2120, 2168, 2708, 2710, 3385, 5416, 5420, 6770, 10840, 13540, 14363, 27080, 28726, 35881, 57452, 71762, 71815, 114904, 143524, 143630, 179405, 183467, 287048, 287260, 358810, 366934, 574520, 717620, 733868, 917335, 1435240, 1467736, 1834670, 3669340, 7338680, 9723751, 19447502, 38895004, 48618755, 77790008, 97237510, 194475020, 388950040]

約数ペア:

[(1, 388950040), (2, 194475020), (4, 97237510), (5, 77790008), (8, 48618755), (10, 38895004), (20, 19447502), (40, 9723751), (53, 7338680), (106, 3669340), (212, 1834670), (265, 1467736), (271, 1435240), (424, 917335), (530, 733868), (542, 717620), (677, 574520), (1060, 366934), (1084, 358810), (1354, 287260), (1355, 287048), (2120, 183467), (2168, 179405), (2708, 143630), (2710, 143524), (3385, 114904), (5416, 71815), (5420, 71762), (6770, 57452), (10840, 35881), (13540, 28726), (14363, 27080)]