203480225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2833}}^1$

素因数の和:2886

約数の個数: 36

約数和(自身を含む): 289391076

約数和(自身を除く): 85910851

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 425, 845, 1105, 2833, 2873, 4225, 5525, 14165, 14365, 36829, 48161, 70825, 71825, 184145, 240805, 478777, 626093, 920725, 1204025, 2393885, 3130465, 8139209, 11969425, 15652325, 40696045, 203480225]

約数ペア:

[(1, 203480225), (5, 40696045), (13, 15652325), (17, 11969425), (25, 8139209), (65, 3130465), (85, 2393885), (169, 1204025), (221, 920725), (325, 626093), (425, 478777), (845, 240805), (1105, 184145), (2833, 71825), (2873, 70825), (4225, 48161), (5525, 36829), (14165, 14365)]