3340820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{487}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 8198400

約数和(自身を除く): 4857580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 487, 490, 686, 974, 980, 1372, 1715, 1948, 2435, 3409, 3430, 4870, 6818, 6860, 9740, 13636, 17045, 23863, 34090, 47726, 68180, 95452, 119315, 167041, 238630, 334082, 477260, 668164, 835205, 1670410, 3340820]

約数ペア:

[(1, 3340820), (2, 1670410), (4, 835205), (5, 668164), (7, 477260), (10, 334082), (14, 238630), (20, 167041), (28, 119315), (35, 95452), (49, 68180), (70, 47726), (98, 34090), (140, 23863), (196, 17045), (245, 13636), (343, 9740), (487, 6860), (490, 6818), (686, 4870), (974, 3430), (980, 3409), (1372, 2435), (1715, 1948)]