3130580

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 6622728

約数和(自身を除く): 3492148

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 997, 1570, 1994, 3140, 3988, 4985, 9970, 19940, 156529, 313058, 626116, 782645, 1565290, 3130580]

約数ペア:

[(1, 3130580), (2, 1565290), (4, 782645), (5, 626116), (10, 313058), (20, 156529), (157, 19940), (314, 9970), (628, 4985), (785, 3988), (997, 3140), (1570, 1994)]