431388125

素因数分解:

$5^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:831

約数の個数: 40

約数和(自身を含む): 621101184

約数和(自身を除く): 189713059

約数列:

[1, 5, 7, 25, 35, 125, 151, 175, 625, 653, 755, 875, 1057, 3265, 3775, 4375, 4571, 5285, 16325, 18875, 22855, 26425, 81625, 94375, 98603, 114275, 132125, 408125, 493015, 571375, 660625, 690221, 2465075, 2856875, 3451105, 12325375, 17255525, 61626875, 86277625, 431388125]

約数ペア:

[(1, 431388125), (5, 86277625), (7, 61626875), (25, 17255525), (35, 12325375), (125, 3451105), (151, 2856875), (175, 2465075), (625, 690221), (653, 660625), (755, 571375), (875, 493015), (1057, 408125), (3265, 132125), (3775, 114275), (4375, 98603), (4571, 94375), (5285, 81625), (16325, 26425), (18875, 22855)]