2018779975

素因数分解:

$5^2\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{1409}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 2526088320

約数和(自身を除く): 507308345

約数列:

[1, 5, 25, 223, 257, 1115, 1285, 1409, 5575, 6425, 7045, 35225, 57311, 286555, 314207, 362113, 1432775, 1571035, 1810565, 7855175, 9052825, 80751199, 403755995, 2018779975]

約数ペア:

[(1, 2018779975), (5, 403755995), (25, 80751199), (223, 9052825), (257, 7855175), (1115, 1810565), (1285, 1571035), (1409, 1432775), (5575, 362113), (6425, 314207), (7045, 286555), (35225, 57311)]