121019975

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 153450000

約数和(自身を除く): 32430025

約数列:

[1, 5, 25, 89, 109, 445, 499, 545, 2225, 2495, 2725, 9701, 12475, 44411, 48505, 54391, 222055, 242525, 271955, 1110275, 1359775, 4840799, 24203995, 121019975]

約数ペア:

[(1, 121019975), (5, 24203995), (25, 4840799), (89, 1359775), (109, 1110275), (445, 271955), (499, 242525), (545, 222055), (2225, 54391), (2495, 48505), (2725, 44411), (9701, 12475)]