7080220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 17192448

約数和(自身を除く): 10112228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 491, 515, 721, 982, 1030, 1442, 1964, 2060, 2455, 2884, 3437, 3605, 4910, 6874, 7210, 9820, 13748, 14420, 17185, 34370, 50573, 68740, 101146, 202292, 252865, 354011, 505730, 708022, 1011460, 1416044, 1770055, 3540110, 7080220]

約数ペア:

[(1, 7080220), (2, 3540110), (4, 1770055), (5, 1416044), (7, 1011460), (10, 708022), (14, 505730), (20, 354011), (28, 252865), (35, 202292), (70, 101146), (103, 68740), (140, 50573), (206, 34370), (412, 17185), (491, 14420), (515, 13748), (721, 9820), (982, 7210), (1030, 6874), (1442, 4910), (1964, 3605), (2060, 3437), (2455, 2884)]