520070425

素因数分解:

$5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{19681}}^1$

素因数の和:19849

約数の個数: 24

約数和(自身を含む): 741932672

約数和(自身を除く): 221862247

約数列:

[1, 5, 7, 25, 35, 151, 175, 755, 1057, 3775, 5285, 19681, 26425, 98405, 137767, 492025, 688835, 2971831, 3444175, 14859155, 20802817, 74295775, 104014085, 520070425]

約数ペア:

[(1, 520070425), (5, 104014085), (7, 74295775), (25, 20802817), (35, 14859155), (151, 3444175), (175, 2971831), (755, 688835), (1057, 492025), (3775, 137767), (5285, 98405), (19681, 26425)]