320390025

素因数分解:

$3^1\times 5^2\times {\mathrm{877}}^1\times {\mathrm{4871}}^1$

素因数の和:5761

約数の個数: 24

約数和(自身を含む): 530424384

約数和(自身を除く): 210034359

約数列:

[1, 3, 5, 15, 25, 75, 877, 2631, 4385, 4871, 13155, 14613, 21925, 24355, 65775, 73065, 121775, 365325, 4271867, 12815601, 21359335, 64078005, 106796675, 320390025]

約数ペア:

[(1, 320390025), (3, 106796675), (5, 64078005), (15, 21359335), (25, 12815601), (75, 4271867), (877, 365325), (2631, 121775), (4385, 73065), (4871, 65775), (13155, 24355), (14613, 21925)]