138980590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{2731}}^1$

素因数の和:3472

約数の個数: 32

約数和(自身を含む): 286401024

約数和(自身を除く): 147420434

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 727, 1454, 2731, 3635, 5089, 5462, 7270, 10178, 13655, 19117, 25445, 27310, 38234, 50890, 95585, 191170, 1985437, 3970874, 9927185, 13898059, 19854370, 27796118, 69490295, 138980590]

約数ペア:

[(1, 138980590), (2, 69490295), (5, 27796118), (7, 19854370), (10, 13898059), (14, 9927185), (35, 3970874), (70, 1985437), (727, 191170), (1454, 95585), (2731, 50890), (3635, 38234), (5089, 27310), (5462, 25445), (7270, 19117), (10178, 13655)]