209619720575

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{337}}^1\times {\mathrm{421}}^1\times {\mathrm{523}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 264135626976

約数和(自身を除く): 54515906401

約数列:

[1, 5, 25, 113, 337, 421, 523, 565, 1685, 2105, 2615, 2825, 8425, 10525, 13075, 38081, 47573, 59099, 141877, 176251, 190405, 220183, 237865, 295495, 709385, 881255, 952025, 1100915, 1189325, 1477475, 3546925, 4406275, 5504575, 16032101, 19916363, 24880679, 74201671, 80160505, 99581815, 124403395, 371008355, 400802525, 497909075, 622016975, 1855041775, 8384788823, 41923944115, 209619720575]

約数ペア:

[(1, 209619720575), (5, 41923944115), (25, 8384788823), (113, 1855041775), (337, 622016975), (421, 497909075), (523, 400802525), (565, 371008355), (1685, 124403395), (2105, 99581815), (2615, 80160505), (2825, 74201671), (8425, 24880679), (10525, 19916363), (13075, 16032101), (38081, 5504575), (47573, 4406275), (59099, 3546925), (141877, 1477475), (176251, 1189325), (190405, 1100915), (220183, 952025), (237865, 881255), (295495, 709385)]