210542975

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 266910000

約数和(自身を除く): 56367025

約数列:

[1, 5, 25, 59, 295, 349, 409, 1475, 1745, 2045, 8725, 10225, 20591, 24131, 102955, 120655, 142741, 514775, 603275, 713705, 3568525, 8421719, 42108595, 210542975]

約数ペア:

[(1, 210542975), (5, 42108595), (25, 8421719), (59, 3568525), (295, 713705), (349, 603275), (409, 514775), (1475, 142741), (1745, 120655), (2045, 102955), (8725, 24131), (10225, 20591)]