209840930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{4259}}^1$

素因数の和:4658

約数の個数: 32

約数和(自身を含む): 407937600

約数和(自身を除く): 198096670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 758, 1895, 3790, 4259, 4927, 8518, 9854, 21295, 24635, 42590, 49270, 55367, 110734, 276835, 553670, 1614161, 3228322, 8070805, 16141610, 20984093, 41968186, 104920465, 209840930]

約数ペア:

[(1, 209840930), (2, 104920465), (5, 41968186), (10, 20984093), (13, 16141610), (26, 8070805), (65, 3228322), (130, 1614161), (379, 553670), (758, 276835), (1895, 110734), (3790, 55367), (4259, 49270), (4927, 42590), (8518, 24635), (9854, 21295)]