308900275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{398581}}^1$

素因数の和:398622

約数の個数: 12

約数和(自身を含む): 395393344

約数和(自身を除く): 86493069

約数列:

[1, 5, 25, 31, 155, 775, 398581, 1992905, 9964525, 12356011, 61780055, 308900275]

約数ペア:

[(1, 308900275), (5, 61780055), (25, 12356011), (31, 9964525), (155, 1992905), (775, 398581)]