1353340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 2866752

約数和(自身を除く): 1513412

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 431, 628, 785, 862, 1570, 1724, 2155, 3140, 4310, 8620, 67667, 135334, 270668, 338335, 676670, 1353340]

約数ペア:

[(1, 1353340), (2, 676670), (4, 338335), (5, 270668), (10, 135334), (20, 67667), (157, 8620), (314, 4310), (431, 3140), (628, 2155), (785, 1724), (862, 1570)]