4201990900

素因数分解:

$2^2\times 5^2\times {\mathrm{42019909}}^1$

素因数の和:42019923

約数の個数: 18

約数和(自身を含む): 9118320470

約数和(自身を除く): 4916329570

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 42019909, 84039818, 168079636, 210099545, 420199090, 840398180, 1050497725, 2100995450, 4201990900]

約数ペア:

[(1, 4201990900), (2, 2100995450), (4, 1050497725), (5, 840398180), (10, 420199090), (20, 210099545), (25, 168079636), (50, 84039818), (100, 42019909)]