198437727380

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{6174167}}^1$

素因数の和:6175783

約数の個数: 24

約数和(自身を含む): 416978610048

約数和(自身を除く): 218540882668

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6428, 8035, 16070, 32140, 6174167, 12348334, 24696668, 30870835, 61741670, 123483340, 9921886369, 19843772738, 39687545476, 49609431845, 99218863690, 198437727380]

約数ペア:

[(1, 198437727380), (2, 99218863690), (4, 49609431845), (5, 39687545476), (10, 19843772738), (20, 9921886369), (1607, 123483340), (3214, 61741670), (6428, 30870835), (8035, 24696668), (16070, 12348334), (32140, 6174167)]