389050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:294

約数の個数: 24

約数和(自身を含む): 749952

約数和(自身を除く): 360902

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 251, 310, 502, 775, 1255, 1550, 2510, 6275, 7781, 12550, 15562, 38905, 77810, 194525, 389050]

約数ペア:

[(1, 389050), (2, 194525), (5, 77810), (10, 38905), (25, 15562), (31, 12550), (50, 7781), (62, 6275), (155, 2510), (251, 1550), (310, 1255), (502, 775)]