31127140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{937}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 71858304

約数和(自身を除く): 40731164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 937, 1510, 1661, 1874, 3020, 3322, 3748, 4685, 6644, 8305, 9370, 10307, 16610, 18740, 20614, 33220, 41228, 51535, 103070, 141487, 206140, 282974, 565948, 707435, 1414870, 1556357, 2829740, 3112714, 6225428, 7781785, 15563570, 31127140]

約数ペア:

[(1, 31127140), (2, 15563570), (4, 7781785), (5, 6225428), (10, 3112714), (11, 2829740), (20, 1556357), (22, 1414870), (44, 707435), (55, 565948), (110, 282974), (151, 206140), (220, 141487), (302, 103070), (604, 51535), (755, 41228), (937, 33220), (1510, 20614), (1661, 18740), (1874, 16610), (3020, 10307), (3322, 9370), (3748, 8305), (4685, 6644)]