2956660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{431}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 7257600

約数和(自身を除く): 4300940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 431, 490, 686, 862, 980, 1372, 1715, 1724, 2155, 3017, 3430, 4310, 6034, 6860, 8620, 12068, 15085, 21119, 30170, 42238, 60340, 84476, 105595, 147833, 211190, 295666, 422380, 591332, 739165, 1478330, 2956660]

約数ペア:

[(1, 2956660), (2, 1478330), (4, 739165), (5, 591332), (7, 422380), (10, 295666), (14, 211190), (20, 147833), (28, 105595), (35, 84476), (49, 60340), (70, 42238), (98, 30170), (140, 21119), (196, 15085), (245, 12068), (343, 8620), (431, 6860), (490, 6034), (686, 4310), (862, 3430), (980, 3017), (1372, 2155), (1715, 1724)]