909880225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{10771}}^1$

素因数の和:10921

約数の個数: 24

約数和(自身を含む): 1175440640

約数和(自身を除く): 265560415

約数列:

[1, 5, 25, 31, 109, 155, 545, 775, 2725, 3379, 10771, 16895, 53855, 84475, 269275, 333901, 1174039, 1669505, 5870195, 8347525, 29350975, 36395209, 181976045, 909880225]

約数ペア:

[(1, 909880225), (5, 181976045), (25, 36395209), (31, 29350975), (109, 8347525), (155, 5870195), (545, 1669505), (775, 1174039), (2725, 333901), (3379, 269275), (10771, 84475), (16895, 53855)]