157220725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3719}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 207576000

約数和(自身を除く): 50355275

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2225, 3719, 8455, 18595, 42275, 70661, 92975, 330991, 353305, 1654955, 1766525, 6288829, 8274775, 31444145, 157220725]

約数ペア:

[(1, 157220725), (5, 31444145), (19, 8274775), (25, 6288829), (89, 1766525), (95, 1654955), (445, 353305), (475, 330991), (1691, 92975), (2225, 70661), (3719, 42275), (8455, 18595)]