315348820

素因数分解:

$2^2\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{9739}}^1$

素因数の和:11367

約数の個数: 24

約数和(自身を含む): 662709600

約数和(自身を除く): 347360780

約数列:

[1, 2, 4, 5, 10, 20, 1619, 3238, 6476, 8095, 9739, 16190, 19478, 32380, 38956, 48695, 97390, 194780, 15767441, 31534882, 63069764, 78837205, 157674410, 315348820]

約数ペア:

[(1, 315348820), (2, 157674410), (4, 78837205), (5, 63069764), (10, 31534882), (20, 15767441), (1619, 194780), (3238, 97390), (6476, 48695), (8095, 38956), (9739, 32380), (16190, 19478)]