201948897790

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{40470721}}^1$

素因数の和:40471227

約数の個数: 16

約数和(自身を含む): 364236498000

約数和(自身を除く): 162287600210

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 40470721, 80941442, 202353605, 404707210, 20194889779, 40389779558, 100974448895, 201948897790]

約数ペア:

[(1, 201948897790), (2, 100974448895), (5, 40389779558), (10, 20194889779), (499, 404707210), (998, 202353605), (2495, 80941442), (4990, 40470721)]