39399430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{80407}}^1$

素因数の和:80428

約数の個数: 24

約数和(自身を含む): 82498608

約数和(自身を除く): 43099178

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 80407, 160814, 402035, 562849, 804070, 1125698, 2814245, 3939943, 5628490, 7879886, 19699715, 39399430]

約数ペア:

[(1, 39399430), (2, 19699715), (5, 7879886), (7, 5628490), (10, 3939943), (14, 2814245), (35, 1125698), (49, 804070), (70, 562849), (98, 402035), (245, 160814), (490, 80407)]