145977020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1042693}}^1$

素因数の和:1042709

約数の個数: 24

約数和(自身を含む): 350345184

約数和(自身を除く): 204368164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1042693, 2085386, 4170772, 5213465, 7298851, 10426930, 14597702, 20853860, 29195404, 36494255, 72988510, 145977020]

約数ペア:

[(1, 145977020), (2, 72988510), (4, 36494255), (5, 29195404), (7, 20853860), (10, 14597702), (14, 10426930), (20, 7298851), (28, 5213465), (35, 4170772), (70, 2085386), (140, 1042693)]