899980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2647}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 2001888

約数和(自身を除く): 1101908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2647, 5294, 10588, 13235, 26470, 44999, 52940, 89998, 179996, 224995, 449990, 899980]

約数ペア:

[(1, 899980), (2, 449990), (4, 224995), (5, 179996), (10, 89998), (17, 52940), (20, 44999), (34, 26470), (68, 13235), (85, 10588), (170, 5294), (340, 2647)]