402235340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{1801}}^1$

素因数の和:2682

約数の個数: 48

約数和(自身を含む): 911235360

約数和(自身を除く): 509000020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 859, 1718, 1801, 3436, 3602, 4295, 7204, 8590, 9005, 11167, 17180, 18010, 22334, 23413, 36020, 44668, 46826, 55835, 93652, 111670, 117065, 223340, 234130, 468260, 1547059, 3094118, 6188236, 7735295, 15470590, 20111767, 30941180, 40223534, 80447068, 100558835, 201117670, 402235340]

約数ペア:

[(1, 402235340), (2, 201117670), (4, 100558835), (5, 80447068), (10, 40223534), (13, 30941180), (20, 20111767), (26, 15470590), (52, 7735295), (65, 6188236), (130, 3094118), (260, 1547059), (859, 468260), (1718, 234130), (1801, 223340), (3436, 117065), (3602, 111670), (4295, 93652), (7204, 55835), (8590, 46826), (9005, 44668), (11167, 36020), (17180, 23413), (18010, 22334)]