753852020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{2621}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 1613536848

約数和(自身を除く): 859684828

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 197, 292, 365, 394, 730, 788, 985, 1460, 1970, 2621, 3940, 5242, 10484, 13105, 14381, 26210, 28762, 52420, 57524, 71905, 143810, 191333, 287620, 382666, 516337, 765332, 956665, 1032674, 1913330, 2065348, 2581685, 3826660, 5163370, 10326740, 37692601, 75385202, 150770404, 188463005, 376926010, 753852020]

約数ペア:

[(1, 753852020), (2, 376926010), (4, 188463005), (5, 150770404), (10, 75385202), (20, 37692601), (73, 10326740), (146, 5163370), (197, 3826660), (292, 2581685), (365, 2065348), (394, 1913330), (730, 1032674), (788, 956665), (985, 765332), (1460, 516337), (1970, 382666), (2621, 287620), (3940, 191333), (5242, 143810), (10484, 71905), (13105, 57524), (14381, 52420), (26210, 28762)]