221279425

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 298128240

約数和(自身を除く): 76848815

約数列:

[1, 5, 25, 29, 37, 73, 113, 145, 185, 365, 565, 725, 925, 1073, 1825, 2117, 2701, 2825, 3277, 4181, 5365, 8249, 10585, 13505, 16385, 20905, 26825, 41245, 52925, 67525, 78329, 81925, 104525, 121249, 206225, 239221, 305213, 391645, 606245, 1196105, 1526065, 1958225, 3031225, 5980525, 7630325, 8851177, 44255885, 221279425]

約数ペア:

[(1, 221279425), (5, 44255885), (25, 8851177), (29, 7630325), (37, 5980525), (73, 3031225), (113, 1958225), (145, 1526065), (185, 1196105), (365, 606245), (565, 391645), (725, 305213), (925, 239221), (1073, 206225), (1825, 121249), (2117, 104525), (2701, 81925), (2825, 78329), (3277, 67525), (4181, 52925), (5365, 41245), (8249, 26825), (10585, 20905), (13505, 16385)]