858458620

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{61231}}^1$

素因数の和:61941

約数の個数: 24

約数和(自身を含む): 1805364288

約数和(自身を除く): 946905668

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 3505, 7010, 14020, 61231, 122462, 244924, 306155, 612310, 1224620, 42922931, 85845862, 171691724, 214614655, 429229310, 858458620]

約数ペア:

[(1, 858458620), (2, 429229310), (4, 214614655), (5, 171691724), (10, 85845862), (20, 42922931), (701, 1224620), (1402, 612310), (2804, 306155), (3505, 244924), (7010, 122462), (14020, 61231)]