2013340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 4923072

約数和(自身を除く): 2909732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 197, 292, 365, 394, 511, 730, 788, 985, 1022, 1379, 1460, 1970, 2044, 2555, 2758, 3940, 5110, 5516, 6895, 10220, 13790, 14381, 27580, 28762, 57524, 71905, 100667, 143810, 201334, 287620, 402668, 503335, 1006670, 2013340]

約数ペア:

[(1, 2013340), (2, 1006670), (4, 503335), (5, 402668), (7, 287620), (10, 201334), (14, 143810), (20, 100667), (28, 71905), (35, 57524), (70, 28762), (73, 27580), (140, 14381), (146, 13790), (197, 10220), (292, 6895), (365, 5516), (394, 5110), (511, 3940), (730, 2758), (788, 2555), (985, 2044), (1022, 1970), (1379, 1460)]