684140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 1458240

約数和(自身を除く): 774100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 433, 790, 866, 1580, 1732, 2165, 4330, 8660, 34207, 68414, 136828, 171035, 342070, 684140]

約数ペア:

[(1, 684140), (2, 342070), (4, 171035), (5, 136828), (10, 68414), (20, 34207), (79, 8660), (158, 4330), (316, 2165), (395, 1732), (433, 1580), (790, 866)]