290128700

素因数分解:

$2^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{12781}}^1$

素因数の和:13022

約数の個数: 36

約数和(自身を含む): 632402232

約数和(自身を除く): 342273532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 227, 454, 908, 1135, 2270, 4540, 5675, 11350, 12781, 22700, 25562, 51124, 63905, 127810, 255620, 319525, 639050, 1278100, 2901287, 5802574, 11605148, 14506435, 29012870, 58025740, 72532175, 145064350, 290128700]

約数ペア:

[(1, 290128700), (2, 145064350), (4, 72532175), (5, 58025740), (10, 29012870), (20, 14506435), (25, 11605148), (50, 5802574), (100, 2901287), (227, 1278100), (454, 639050), (908, 319525), (1135, 255620), (2270, 127810), (4540, 63905), (5675, 51124), (11350, 25562), (12781, 22700)]