137980820

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{14051}}^1$

素因数の和:14551

約数の個数: 24

約数和(自身を含む): 290370528

約数和(自身を除く): 152389708

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 14051, 28102, 56204, 70255, 140510, 281020, 6899041, 13798082, 27596164, 34495205, 68990410, 137980820]

約数ペア:

[(1, 137980820), (2, 68990410), (4, 34495205), (5, 27596164), (10, 13798082), (20, 6899041), (491, 281020), (982, 140510), (1964, 70255), (2455, 56204), (4910, 28102), (9820, 14051)]