2404820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 5842368

約数和(自身を除く): 3437548

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 643, 748, 935, 1286, 1870, 2572, 3215, 3740, 6430, 7073, 10931, 12860, 14146, 21862, 28292, 35365, 43724, 54655, 70730, 109310, 120241, 141460, 218620, 240482, 480964, 601205, 1202410, 2404820]

約数ペア:

[(1, 2404820), (2, 1202410), (4, 601205), (5, 480964), (10, 240482), (11, 218620), (17, 141460), (20, 120241), (22, 109310), (34, 70730), (44, 54655), (55, 43724), (68, 35365), (85, 28292), (110, 21862), (170, 14146), (187, 12860), (220, 10931), (340, 7073), (374, 6430), (643, 3740), (748, 3215), (935, 2572), (1286, 1870)]