390669130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1260223}}^1$

素因数の和:1260261

約数の個数: 16

約数和(自身を含む): 725889024

約数和(自身を除く): 335219894

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 1260223, 2520446, 6301115, 12602230, 39066913, 78133826, 195334565, 390669130]

約数ペア:

[(1, 390669130), (2, 195334565), (5, 78133826), (10, 39066913), (31, 12602230), (62, 6301115), (155, 2520446), (310, 1260223)]