210139100

素因数分解:

$2^2\times 5^2\times {\mathrm{2101391}}^1$

素因数の和:2101405

約数の個数: 18

約数和(自身を含む): 456002064

約数和(自身を除く): 245862964

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2101391, 4202782, 8405564, 10506955, 21013910, 42027820, 52534775, 105069550, 210139100]

約数ペア:

[(1, 210139100), (2, 105069550), (4, 52534775), (5, 42027820), (10, 21013910), (20, 10506955), (25, 8405564), (50, 4202782), (100, 2101391)]