395103620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{420323}}^1$

素因数の和:420379

約数の個数: 24

約数和(自身を含む): 847373184

約数和(自身を除く): 452269564

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 420323, 840646, 1681292, 2101615, 4203230, 8406460, 19755181, 39510362, 79020724, 98775905, 197551810, 395103620]

約数ペア:

[(1, 395103620), (2, 197551810), (4, 98775905), (5, 79020724), (10, 39510362), (20, 19755181), (47, 8406460), (94, 4203230), (188, 2101615), (235, 1681292), (470, 840646), (940, 420323)]