202000910

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{128663}}^1$

素因数の和:128827

約数の個数: 16

約数和(自身を含む): 365920416

約数和(自身を除く): 163919506

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 128663, 257326, 643315, 1286630, 20200091, 40400182, 101000455, 202000910]

約数ペア:

[(1, 202000910), (2, 101000455), (5, 40400182), (10, 20200091), (157, 1286630), (314, 643315), (785, 257326), (1570, 128663)]