3557620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 8281728

約数和(自身を除く): 4724108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 157, 206, 220, 314, 412, 515, 628, 785, 1030, 1133, 1570, 1727, 2060, 2266, 3140, 3454, 4532, 5665, 6908, 8635, 11330, 16171, 17270, 22660, 32342, 34540, 64684, 80855, 161710, 177881, 323420, 355762, 711524, 889405, 1778810, 3557620]

約数ペア:

[(1, 3557620), (2, 1778810), (4, 889405), (5, 711524), (10, 355762), (11, 323420), (20, 177881), (22, 161710), (44, 80855), (55, 64684), (103, 34540), (110, 32342), (157, 22660), (206, 17270), (220, 16171), (314, 11330), (412, 8635), (515, 6908), (628, 5665), (785, 4532), (1030, 3454), (1133, 3140), (1570, 2266), (1727, 2060)]