2821660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 6453216

約数和(自身を除く): 3631556

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 193, 215, 340, 386, 430, 731, 772, 860, 965, 1462, 1930, 2924, 3281, 3655, 3860, 6562, 7310, 8299, 13124, 14620, 16405, 16598, 32810, 33196, 41495, 65620, 82990, 141083, 165980, 282166, 564332, 705415, 1410830, 2821660]

約数ペア:

[(1, 2821660), (2, 1410830), (4, 705415), (5, 564332), (10, 282166), (17, 165980), (20, 141083), (34, 82990), (43, 65620), (68, 41495), (85, 33196), (86, 32810), (170, 16598), (172, 16405), (193, 14620), (215, 13124), (340, 8299), (386, 7310), (430, 6562), (731, 3860), (772, 3655), (860, 3281), (965, 2924), (1462, 1930)]