351683240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4987}}^1$

素因数の和:5082

約数の個数: 64

約数和(自身を含む): 829604160

約数和(自身を除く): 477920920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 4987, 7052, 8815, 9974, 14104, 17630, 19948, 24935, 35260, 39896, 49870, 70520, 99740, 199480, 204467, 214441, 408934, 428882, 817868, 857764, 1022335, 1072205, 1635736, 1715528, 2044670, 2144410, 4089340, 4288820, 8178680, 8577640, 8792081, 17584162, 35168324, 43960405, 70336648, 87920810, 175841620, 351683240]

約数ペア:

[(1, 351683240), (2, 175841620), (4, 87920810), (5, 70336648), (8, 43960405), (10, 35168324), (20, 17584162), (40, 8792081), (41, 8577640), (43, 8178680), (82, 4288820), (86, 4089340), (164, 2144410), (172, 2044670), (205, 1715528), (215, 1635736), (328, 1072205), (344, 1022335), (410, 857764), (430, 817868), (820, 428882), (860, 408934), (1640, 214441), (1720, 204467), (1763, 199480), (3526, 99740), (4987, 70520), (7052, 49870), (8815, 39896), (9974, 35260), (14104, 24935), (17630, 19948)]