28969550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{19979}}^1$

素因数の和:20020

約数の個数: 24

約数和(自身を含む): 55744200

約数和(自身を除く): 26774650

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 19979, 39958, 99895, 199790, 499475, 579391, 998950, 1158782, 2896955, 5793910, 14484775, 28969550]

約数ペア:

[(1, 28969550), (2, 14484775), (5, 5793910), (10, 2896955), (25, 1158782), (29, 998950), (50, 579391), (58, 499475), (145, 199790), (290, 99895), (725, 39958), (1450, 19979)]