200143910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{2111}}^1$

素因数の和:2636

約数の個数: 32

約数和(自身を含む): 380160000

約数和(自身を除く): 180016090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 499, 998, 2111, 2495, 4222, 4990, 9481, 10555, 18962, 21110, 40109, 47405, 80218, 94810, 200545, 401090, 1053389, 2106778, 5266945, 10533890, 20014391, 40028782, 100071955, 200143910]

約数ペア:

[(1, 200143910), (2, 100071955), (5, 40028782), (10, 20014391), (19, 10533890), (38, 5266945), (95, 2106778), (190, 1053389), (499, 401090), (998, 200545), (2111, 94810), (2495, 80218), (4222, 47405), (4990, 40109), (9481, 21110), (10555, 18962)]