202912420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349849}}^1$

素因数の和:349887

約数の個数: 24

約数和(自身を含む): 440811000

約数和(自身を除く): 237898580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 349849, 699698, 1399396, 1749245, 3498490, 6996980, 10145621, 20291242, 40582484, 50728105, 101456210, 202912420]

約数ペア:

[(1, 202912420), (2, 101456210), (4, 50728105), (5, 40582484), (10, 20291242), (20, 10145621), (29, 6996980), (58, 3498490), (116, 1749245), (145, 1399396), (290, 699698), (580, 349849)]