30990910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{39229}}^1$

素因数の和:39315

約数の個数: 16

約数和(自身を含む): 56491200

約数和(自身を除く): 25500290

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 39229, 78458, 196145, 392290, 3099091, 6198182, 15495455, 30990910]

約数ペア:

[(1, 30990910), (2, 15495455), (5, 6198182), (10, 3099091), (79, 392290), (158, 196145), (395, 78458), (790, 39229)]