208092980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{719}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 453600000

約数和(自身を除く): 245507020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 499, 580, 719, 998, 1438, 1996, 2495, 2876, 3595, 4990, 7190, 9980, 14380, 14471, 20851, 28942, 41702, 57884, 72355, 83404, 104255, 144710, 208510, 289420, 358781, 417020, 717562, 1435124, 1793905, 3587810, 7175620, 10404649, 20809298, 41618596, 52023245, 104046490, 208092980]

約数ペア:

[(1, 208092980), (2, 104046490), (4, 52023245), (5, 41618596), (10, 20809298), (20, 10404649), (29, 7175620), (58, 3587810), (116, 1793905), (145, 1435124), (290, 717562), (499, 417020), (580, 358781), (719, 289420), (998, 208510), (1438, 144710), (1996, 104255), (2495, 83404), (2876, 72355), (3595, 57884), (4990, 41702), (7190, 28942), (9980, 20851), (14380, 14471)]