201910475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1297}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 270399360

約数和(自身を除く): 68488885

約数列:

[1, 5, 13, 25, 65, 325, 479, 1297, 2395, 6227, 6485, 11975, 16861, 31135, 32425, 84305, 155675, 421525, 621263, 3106315, 8076419, 15531575, 40382095, 201910475]

約数ペア:

[(1, 201910475), (5, 40382095), (13, 15531575), (25, 8076419), (65, 3106315), (325, 621263), (479, 421525), (1297, 155675), (2395, 84305), (6227, 32425), (6485, 31135), (11975, 16861)]