28900

素因数分解:

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

素因数の和:48

約数の個数: 27

約数和(自身を含む): 66619

約数和(自身を除く): 37719

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 1156, 1445, 1700, 2890, 5780, 7225, 14450, 28900]

約数ペア:

[(1, 28900), (2, 14450), (4, 7225), (5, 5780), (10, 2890), (17, 1700), (20, 1445), (25, 1156), (34, 850), (50, 578), (68, 425), (85, 340), (100, 289)]