712780

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 1513008

約数和(自身を除く): 800228

約数列:

[1, 2, 4, 5, 10, 20, 157, 227, 314, 454, 628, 785, 908, 1135, 1570, 2270, 3140, 4540, 35639, 71278, 142556, 178195, 356390, 712780]

約数ペア:

[(1, 712780), (2, 356390), (4, 178195), (5, 142556), (10, 71278), (20, 35639), (157, 4540), (227, 3140), (314, 2270), (454, 1570), (628, 1135), (785, 908)]