499989080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{13007}}^1$

素因数の和:13080

約数の個数: 48

約数和(自身を含む): 1162524960

約数和(自身を除く): 662535880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7688, 9610, 13007, 19220, 26014, 38440, 52028, 65035, 104056, 130070, 260140, 403217, 520280, 806434, 1612868, 2016085, 3225736, 4032170, 8064340, 12499727, 16128680, 24999454, 49998908, 62498635, 99997816, 124997270, 249994540, 499989080]

約数ペア:

[(1, 499989080), (2, 249994540), (4, 124997270), (5, 99997816), (8, 62498635), (10, 49998908), (20, 24999454), (31, 16128680), (40, 12499727), (62, 8064340), (124, 4032170), (155, 3225736), (248, 2016085), (310, 1612868), (620, 806434), (961, 520280), (1240, 403217), (1922, 260140), (3844, 130070), (4805, 104056), (7688, 65035), (9610, 52028), (13007, 38440), (19220, 26014)]