2263940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 5521152

約数和(自身を除く): 3257212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 157, 206, 314, 412, 515, 628, 721, 785, 1030, 1099, 1442, 1570, 2060, 2198, 2884, 3140, 3605, 4396, 5495, 7210, 10990, 14420, 16171, 21980, 32342, 64684, 80855, 113197, 161710, 226394, 323420, 452788, 565985, 1131970, 2263940]

約数ペア:

[(1, 2263940), (2, 1131970), (4, 565985), (5, 452788), (7, 323420), (10, 226394), (14, 161710), (20, 113197), (28, 80855), (35, 64684), (70, 32342), (103, 21980), (140, 16171), (157, 14420), (206, 10990), (314, 7210), (412, 5495), (515, 4396), (628, 3605), (721, 3140), (785, 2884), (1030, 2198), (1099, 2060), (1442, 1570)]