281860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 627480

約数和(自身を除く): 345620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 829, 1658, 3316, 4145, 8290, 14093, 16580, 28186, 56372, 70465, 140930, 281860]

約数ペア:

[(1, 281860), (2, 140930), (4, 70465), (5, 56372), (10, 28186), (17, 16580), (20, 14093), (34, 8290), (68, 4145), (85, 3316), (170, 1658), (340, 829)]