285260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 635040

約数和(自身を除く): 349780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 839, 1678, 3356, 4195, 8390, 14263, 16780, 28526, 57052, 71315, 142630, 285260]

約数ペア:

[(1, 285260), (2, 142630), (4, 71315), (5, 57052), (10, 28526), (17, 16780), (20, 14263), (34, 8390), (68, 4195), (85, 3356), (170, 1678), (340, 839)]