1991380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5857}}^1$

素因数の和:5883

約数の個数: 24

約数和(自身を含む): 4428648

約数和(自身を除く): 2437268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5857, 11714, 23428, 29285, 58570, 99569, 117140, 199138, 398276, 497845, 995690, 1991380]

約数ペア:

[(1, 1991380), (2, 995690), (4, 497845), (5, 398276), (10, 199138), (17, 117140), (20, 99569), (34, 58570), (68, 29285), (85, 23428), (170, 11714), (340, 5857)]