8949820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2393}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 21718368

約数和(自身を除く): 12768548

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 2393, 3740, 4786, 9572, 11965, 23930, 26323, 40681, 47860, 52646, 81362, 105292, 131615, 162724, 203405, 263230, 406810, 447491, 526460, 813620, 894982, 1789964, 2237455, 4474910, 8949820]

約数ペア:

[(1, 8949820), (2, 4474910), (4, 2237455), (5, 1789964), (10, 894982), (11, 813620), (17, 526460), (20, 447491), (22, 406810), (34, 263230), (44, 203405), (55, 162724), (68, 131615), (85, 105292), (110, 81362), (170, 52646), (187, 47860), (220, 40681), (340, 26323), (374, 23930), (748, 11965), (935, 9572), (1870, 4786), (2393, 3740)]