8636740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1259}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 21168000

約数和(自身を除く): 12531260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1259, 1372, 1715, 2518, 3430, 5036, 6295, 6860, 8813, 12590, 17626, 25180, 35252, 44065, 61691, 88130, 123382, 176260, 246764, 308455, 431837, 616910, 863674, 1233820, 1727348, 2159185, 4318370, 8636740]

約数ペア:

[(1, 8636740), (2, 4318370), (4, 2159185), (5, 1727348), (7, 1233820), (10, 863674), (14, 616910), (20, 431837), (28, 308455), (35, 246764), (49, 176260), (70, 123382), (98, 88130), (140, 61691), (196, 44065), (245, 35252), (343, 25180), (490, 17626), (686, 12590), (980, 8813), (1259, 6860), (1372, 6295), (1715, 5036), (2518, 3430)]