220902005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 283668480

約数和(自身を除く): 62766475

約数列:

[1, 5, 23, 89, 113, 115, 191, 445, 565, 955, 2047, 2599, 4393, 10057, 10235, 12995, 16999, 21583, 21965, 50285, 84995, 107915, 231311, 390977, 496409, 1156555, 1920887, 1954885, 2482045, 9604435, 44180401, 220902005]

約数ペア:

[(1, 220902005), (5, 44180401), (23, 9604435), (89, 2482045), (113, 1954885), (115, 1920887), (191, 1156555), (445, 496409), (565, 390977), (955, 231311), (2047, 107915), (2599, 84995), (4393, 50285), (10057, 21965), (10235, 21583), (12995, 16999)]