386319620

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{13709}}^1$

素因数の和:15127

約数の個数: 24

約数和(自身を含む): 811906200

約数和(自身を除く): 425586580

約数列:

[1, 2, 4, 5, 10, 20, 1409, 2818, 5636, 7045, 13709, 14090, 27418, 28180, 54836, 68545, 137090, 274180, 19315981, 38631962, 77263924, 96579905, 193159810, 386319620]

約数ペア:

[(1, 386319620), (2, 193159810), (4, 96579905), (5, 77263924), (10, 38631962), (20, 19315981), (1409, 274180), (2818, 137090), (5636, 68545), (7045, 54836), (13709, 28180), (14090, 27418)]