4049740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 9247392

約数和(自身を除く): 5197652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 277, 340, 430, 554, 731, 860, 1108, 1385, 1462, 2770, 2924, 3655, 4709, 5540, 7310, 9418, 11911, 14620, 18836, 23545, 23822, 47090, 47644, 59555, 94180, 119110, 202487, 238220, 404974, 809948, 1012435, 2024870, 4049740]

約数ペア:

[(1, 4049740), (2, 2024870), (4, 1012435), (5, 809948), (10, 404974), (17, 238220), (20, 202487), (34, 119110), (43, 94180), (68, 59555), (85, 47644), (86, 47090), (170, 23822), (172, 23545), (215, 18836), (277, 14620), (340, 11911), (430, 9418), (554, 7310), (731, 5540), (860, 4709), (1108, 3655), (1385, 2924), (1462, 2770)]