230898460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{6389}}^1$

素因数の和:6550

約数の個数: 48

約数和(自身を含む): 526024800

約数和(自身を除く): 295126340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 6389, 7228, 9035, 12778, 18070, 25556, 31945, 36140, 63890, 83057, 127780, 166114, 332228, 415285, 830570, 888071, 1661140, 1776142, 3552284, 4440355, 8880710, 11544923, 17761420, 23089846, 46179692, 57724615, 115449230, 230898460]

約数ペア:

[(1, 230898460), (2, 115449230), (4, 57724615), (5, 46179692), (10, 23089846), (13, 17761420), (20, 11544923), (26, 8880710), (52, 4440355), (65, 3552284), (130, 1776142), (139, 1661140), (260, 888071), (278, 830570), (556, 415285), (695, 332228), (1390, 166114), (1807, 127780), (2780, 83057), (3614, 63890), (6389, 36140), (7228, 31945), (9035, 25556), (12778, 18070)]