78110620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{991}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 187987968

約数和(自身を除く): 109877348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 991, 1126, 1982, 2252, 2815, 3941, 3964, 4955, 5630, 6937, 7882, 9910, 11260, 13874, 15764, 19705, 19820, 27748, 34685, 39410, 69370, 78820, 138740, 557933, 1115866, 2231732, 2789665, 3905531, 5579330, 7811062, 11158660, 15622124, 19527655, 39055310, 78110620]

約数ペア:

[(1, 78110620), (2, 39055310), (4, 19527655), (5, 15622124), (7, 11158660), (10, 7811062), (14, 5579330), (20, 3905531), (28, 2789665), (35, 2231732), (70, 1115866), (140, 557933), (563, 138740), (991, 78820), (1126, 69370), (1982, 39410), (2252, 34685), (2815, 27748), (3941, 19820), (3964, 19705), (4955, 15764), (5630, 13874), (6937, 11260), (7882, 9910)]