729995180

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{55219}}^1$

素因数の和:55889

約数の個数: 24

約数和(自身を含む): 1535336880

約数和(自身を除く): 805341700

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 55219, 110438, 220876, 276095, 552190, 1104380, 36499759, 72999518, 145999036, 182498795, 364997590, 729995180]

約数ペア:

[(1, 729995180), (2, 364997590), (4, 182498795), (5, 145999036), (10, 72999518), (20, 36499759), (661, 1104380), (1322, 552190), (2644, 276095), (3305, 220876), (6610, 110438), (13220, 55219)]