421937275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{3539}}^1$

素因数の和:3819

約数の個数: 24

約数和(自身を含む): 553089600

約数和(自身を除く): 131152325

約数列:

[1, 5, 19, 25, 95, 251, 475, 1255, 3539, 4769, 6275, 17695, 23845, 67241, 88475, 119225, 336205, 888289, 1681025, 4441445, 16877491, 22207225, 84387455, 421937275]

約数ペア:

[(1, 421937275), (5, 84387455), (19, 22207225), (25, 16877491), (95, 4441445), (251, 1681025), (475, 888289), (1255, 336205), (3539, 119225), (4769, 88475), (6275, 67241), (17695, 23845)]