517450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 24

約数和(自身を含む): 982080

約数和(自身を除く): 464630

約数列:

[1, 2, 5, 10, 25, 50, 79, 131, 158, 262, 395, 655, 790, 1310, 1975, 3275, 3950, 6550, 10349, 20698, 51745, 103490, 258725, 517450]

約数ペア:

[(1, 517450), (2, 258725), (5, 103490), (10, 51745), (25, 20698), (50, 10349), (79, 6550), (131, 3950), (158, 3275), (262, 1975), (395, 1310), (655, 790)]