315017020

素因数分解:

$2^2\times 5^1\times {\mathrm{15750851}}^1$

素因数の和:15750860

約数の個数: 12

約数和(自身を含む): 661535784

約数和(自身を除く): 346518764

約数列:

[1, 2, 4, 5, 10, 20, 15750851, 31501702, 63003404, 78754255, 157508510, 315017020]

約数ペア:

[(1, 315017020), (2, 157508510), (4, 78754255), (5, 63003404), (10, 31501702), (20, 15750851)]