7400780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21767}}^1$

素因数の和:21793

約数の個数: 24

約数和(自身を含む): 16456608

約数和(自身を除く): 9055828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21767, 43534, 87068, 108835, 217670, 370039, 435340, 740078, 1480156, 1850195, 3700390, 7400780]

約数ペア:

[(1, 7400780), (2, 3700390), (4, 1850195), (5, 1480156), (10, 740078), (17, 435340), (20, 370039), (34, 217670), (68, 108835), (85, 87068), (170, 43534), (340, 21767)]