2655740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 6041952

約数和(自身を除く): 3386212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 107, 146, 170, 214, 292, 340, 365, 428, 535, 730, 1070, 1241, 1460, 1819, 2140, 2482, 3638, 4964, 6205, 7276, 7811, 9095, 12410, 15622, 18190, 24820, 31244, 36380, 39055, 78110, 132787, 156220, 265574, 531148, 663935, 1327870, 2655740]

約数ペア:

[(1, 2655740), (2, 1327870), (4, 663935), (5, 531148), (10, 265574), (17, 156220), (20, 132787), (34, 78110), (68, 39055), (73, 36380), (85, 31244), (107, 24820), (146, 18190), (170, 15622), (214, 12410), (292, 9095), (340, 7811), (365, 7276), (428, 6205), (535, 4964), (730, 3638), (1070, 2482), (1241, 2140), (1460, 1819)]