312101380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{160877}}^1$

素因数の和:160983

約数の個数: 24

約数和(自身を含む): 662173848

約数和(自身を除く): 350072468

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 160877, 321754, 643508, 804385, 1608770, 3217540, 15605069, 31210138, 62420276, 78025345, 156050690, 312101380]

約数ペア:

[(1, 312101380), (2, 156050690), (4, 78025345), (5, 62420276), (10, 31210138), (20, 15605069), (97, 3217540), (194, 1608770), (388, 804385), (485, 643508), (970, 321754), (1940, 160877)]