2179885820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{151171}}^1$

素因数の和:151290

約数の個数: 48

約数和(自身を含む): 5282554368

約数和(自身を除く): 3102668548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 151171, 302342, 604684, 755855, 1058197, 1511710, 2116394, 3023420, 4232788, 5290985, 10581970, 15570613, 21163940, 31141226, 62282452, 77853065, 108994291, 155706130, 217988582, 311412260, 435977164, 544971455, 1089942910, 2179885820]

約数ペア:

[(1, 2179885820), (2, 1089942910), (4, 544971455), (5, 435977164), (7, 311412260), (10, 217988582), (14, 155706130), (20, 108994291), (28, 77853065), (35, 62282452), (70, 31141226), (103, 21163940), (140, 15570613), (206, 10581970), (412, 5290985), (515, 4232788), (721, 3023420), (1030, 2116394), (1442, 1511710), (2060, 1058197), (2884, 755855), (3605, 604684), (7210, 302342), (14420, 151171)]