213128740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{5801}}^1$

素因数の和:5988

約数の個数: 48

約数和(自身を含む): 491266944

約数和(自身を除く): 278138204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 668, 835, 1670, 1837, 3340, 3674, 5801, 7348, 9185, 11602, 18370, 23204, 29005, 36740, 58010, 63811, 116020, 127622, 255244, 319055, 638110, 968767, 1276220, 1937534, 3875068, 4843835, 9687670, 10656437, 19375340, 21312874, 42625748, 53282185, 106564370, 213128740]

約数ペア:

[(1, 213128740), (2, 106564370), (4, 53282185), (5, 42625748), (10, 21312874), (11, 19375340), (20, 10656437), (22, 9687670), (44, 4843835), (55, 3875068), (110, 1937534), (167, 1276220), (220, 968767), (334, 638110), (668, 319055), (835, 255244), (1670, 127622), (1837, 116020), (3340, 63811), (3674, 58010), (5801, 36740), (7348, 29005), (9185, 23204), (11602, 18370)]