28770760

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 67132800

約数和(自身を除く): 38362040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 73, 118, 146, 167, 236, 292, 295, 334, 365, 472, 584, 590, 668, 730, 835, 1180, 1336, 1460, 1670, 2360, 2920, 3340, 4307, 6680, 8614, 9853, 12191, 17228, 19706, 21535, 24382, 34456, 39412, 43070, 48764, 49265, 60955, 78824, 86140, 97528, 98530, 121910, 172280, 197060, 243820, 394120, 487640, 719269, 1438538, 2877076, 3596345, 5754152, 7192690, 14385380, 28770760]

約数ペア:

[(1, 28770760), (2, 14385380), (4, 7192690), (5, 5754152), (8, 3596345), (10, 2877076), (20, 1438538), (40, 719269), (59, 487640), (73, 394120), (118, 243820), (146, 197060), (167, 172280), (236, 121910), (292, 98530), (295, 97528), (334, 86140), (365, 78824), (472, 60955), (584, 49265), (590, 48764), (668, 43070), (730, 39412), (835, 34456), (1180, 24382), (1336, 21535), (1460, 19706), (1670, 17228), (2360, 12191), (2920, 9853), (3340, 8614), (4307, 6680)]