279392740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{3167}}^1$

素因数の和:3588

約数の個数: 48

約数和(自身を含む): 641862144

約数和(自身を除く): 362469404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 1604, 2005, 3167, 4010, 4411, 6334, 8020, 8822, 12668, 15835, 17644, 22055, 31670, 34837, 44110, 63340, 69674, 88220, 139348, 174185, 348370, 696740, 1269967, 2539934, 5079868, 6349835, 12699670, 13969637, 25399340, 27939274, 55878548, 69848185, 139696370, 279392740]

約数ペア:

[(1, 279392740), (2, 139696370), (4, 69848185), (5, 55878548), (10, 27939274), (11, 25399340), (20, 13969637), (22, 12699670), (44, 6349835), (55, 5079868), (110, 2539934), (220, 1269967), (401, 696740), (802, 348370), (1604, 174185), (2005, 139348), (3167, 88220), (4010, 69674), (4411, 63340), (6334, 44110), (8020, 34837), (8822, 31670), (12668, 22055), (15835, 17644)]