389655710

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{97171}}^1$

素因数の和:97579

約数の個数: 16

約数和(自身を含む): 703136592

約数和(自身を除く): 313480882

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 97171, 194342, 485855, 971710, 38965571, 77931142, 194827855, 389655710]

約数ペア:

[(1, 389655710), (2, 194827855), (5, 77931142), (10, 38965571), (401, 971710), (802, 485855), (2005, 194342), (4010, 97171)]