31103420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 67864608

約数和(自身を除く): 36761188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 457, 820, 830, 914, 1660, 1828, 2285, 3403, 4570, 6806, 9140, 13612, 17015, 18737, 34030, 37474, 37931, 68060, 74948, 75862, 93685, 151724, 187370, 189655, 374740, 379310, 758620, 1555171, 3110342, 6220684, 7775855, 15551710, 31103420]

約数ペア:

[(1, 31103420), (2, 15551710), (4, 7775855), (5, 6220684), (10, 3110342), (20, 1555171), (41, 758620), (82, 379310), (83, 374740), (164, 189655), (166, 187370), (205, 151724), (332, 93685), (410, 75862), (415, 74948), (457, 68060), (820, 37931), (830, 37474), (914, 34030), (1660, 18737), (1828, 17015), (2285, 13612), (3403, 9140), (4570, 6806)]