5549740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{809}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 13608000

約数和(自身を除く): 8058260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 809, 980, 1372, 1618, 1715, 3236, 3430, 4045, 5663, 6860, 8090, 11326, 16180, 22652, 28315, 39641, 56630, 79282, 113260, 158564, 198205, 277487, 396410, 554974, 792820, 1109948, 1387435, 2774870, 5549740]

約数ペア:

[(1, 5549740), (2, 2774870), (4, 1387435), (5, 1109948), (7, 792820), (10, 554974), (14, 396410), (20, 277487), (28, 198205), (35, 158564), (49, 113260), (70, 79282), (98, 56630), (140, 39641), (196, 28315), (245, 22652), (343, 16180), (490, 11326), (686, 8090), (809, 6860), (980, 5663), (1372, 4045), (1618, 3430), (1715, 3236)]