286688140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139169}}^1$

素因数の和:139281

約数の個数: 24

約数和(自身を含む): 607894560

約数和(自身を除く): 321206420

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 139169, 278338, 556676, 695845, 1391690, 2783380, 14334407, 28668814, 57337628, 71672035, 143344070, 286688140]

約数ペア:

[(1, 286688140), (2, 143344070), (4, 71672035), (5, 57337628), (10, 28668814), (20, 14334407), (103, 2783380), (206, 1391690), (412, 695845), (515, 556676), (1030, 278338), (2060, 139169)]