201772820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67709}}^1$

素因数の和:67867

約数の個数: 24

約数和(自身を含む): 426573000

約数和(自身を除く): 224800180

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67709, 135418, 270836, 338545, 677090, 1354180, 10088641, 20177282, 40354564, 50443205, 100886410, 201772820]

約数ペア:

[(1, 201772820), (2, 100886410), (4, 50443205), (5, 40354564), (10, 20177282), (20, 10088641), (149, 1354180), (298, 677090), (596, 338545), (745, 270836), (1490, 135418), (2980, 67709)]