518857780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1229

約数の個数: 96

約数和(自身を含む): 1291530240

約数和(自身を除く): 772672460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 79, 86, 140, 158, 172, 215, 301, 316, 395, 430, 553, 602, 790, 860, 1091, 1106, 1204, 1505, 1580, 2182, 2212, 2765, 3010, 3397, 4364, 5455, 5530, 6020, 6794, 7637, 10910, 11060, 13588, 15274, 16985, 21820, 23779, 30548, 33970, 38185, 46913, 47558, 67940, 76370, 86189, 93826, 95116, 118895, 152740, 172378, 187652, 234565, 237790, 328391, 344756, 430945, 469130, 475580, 603323, 656782, 861890, 938260, 1206646, 1313564, 1641955, 1723780, 2413292, 3016615, 3283910, 3706127, 6033230, 6567820, 7412254, 12066460, 14824508, 18530635, 25942889, 37061270, 51885778, 74122540, 103771556, 129714445, 259428890, 518857780]

約数ペア:

[(1, 518857780), (2, 259428890), (4, 129714445), (5, 103771556), (7, 74122540), (10, 51885778), (14, 37061270), (20, 25942889), (28, 18530635), (35, 14824508), (43, 12066460), (70, 7412254), (79, 6567820), (86, 6033230), (140, 3706127), (158, 3283910), (172, 3016615), (215, 2413292), (301, 1723780), (316, 1641955), (395, 1313564), (430, 1206646), (553, 938260), (602, 861890), (790, 656782), (860, 603323), (1091, 475580), (1106, 469130), (1204, 430945), (1505, 344756), (1580, 328391), (2182, 237790), (2212, 234565), (2765, 187652), (3010, 172378), (3397, 152740), (4364, 118895), (5455, 95116), (5530, 93826), (6020, 86189), (6794, 76370), (7637, 67940), (10910, 47558), (11060, 46913), (13588, 38185), (15274, 33970), (16985, 30548), (21820, 23779)]