813317740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{5449}}^1$

素因数の和:5914

約数の個数: 48

約数和(自身を含む): 1812888000

約数和(自身を除く): 999570260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 878, 1756, 2195, 4390, 5449, 7463, 8780, 10898, 14926, 21796, 27245, 29852, 37315, 54490, 74630, 92633, 108980, 149260, 185266, 370532, 463165, 926330, 1852660, 2392111, 4784222, 9568444, 11960555, 23921110, 40665887, 47842220, 81331774, 162663548, 203329435, 406658870, 813317740]

約数ペア:

[(1, 813317740), (2, 406658870), (4, 203329435), (5, 162663548), (10, 81331774), (17, 47842220), (20, 40665887), (34, 23921110), (68, 11960555), (85, 9568444), (170, 4784222), (340, 2392111), (439, 1852660), (878, 926330), (1756, 463165), (2195, 370532), (4390, 185266), (5449, 149260), (7463, 108980), (8780, 92633), (10898, 74630), (14926, 54490), (21796, 37315), (27245, 29852)]