2311820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{337}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 5678400

約数和(自身を除く): 3366580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 337, 343, 490, 674, 686, 980, 1348, 1372, 1685, 1715, 2359, 3370, 3430, 4718, 6740, 6860, 9436, 11795, 16513, 23590, 33026, 47180, 66052, 82565, 115591, 165130, 231182, 330260, 462364, 577955, 1155910, 2311820]

約数ペア:

[(1, 2311820), (2, 1155910), (4, 577955), (5, 462364), (7, 330260), (10, 231182), (14, 165130), (20, 115591), (28, 82565), (35, 66052), (49, 47180), (70, 33026), (98, 23590), (140, 16513), (196, 11795), (245, 9436), (337, 6860), (343, 6740), (490, 4718), (674, 3430), (686, 3370), (980, 2359), (1348, 1715), (1372, 1685)]