156947740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{997}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 350082432

約数和(自身を除く): 193134692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 463, 926, 997, 1852, 1994, 2315, 3988, 4630, 4985, 7871, 9260, 9970, 15742, 16949, 19940, 31484, 33898, 39355, 67796, 78710, 84745, 157420, 169490, 338980, 461611, 923222, 1846444, 2308055, 4616110, 7847387, 9232220, 15694774, 31389548, 39236935, 78473870, 156947740]

約数ペア:

[(1, 156947740), (2, 78473870), (4, 39236935), (5, 31389548), (10, 15694774), (17, 9232220), (20, 7847387), (34, 4616110), (68, 2308055), (85, 1846444), (170, 923222), (340, 461611), (463, 338980), (926, 169490), (997, 157420), (1852, 84745), (1994, 78710), (2315, 67796), (3988, 39355), (4630, 33898), (4985, 31484), (7871, 19940), (9260, 16949), (9970, 15742)]