165909740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 354158784

約数和(自身を除く): 188249044

約数列:

[1, 2, 4, 5, 10, 20, 137, 151, 274, 302, 401, 548, 604, 685, 755, 802, 1370, 1510, 1604, 2005, 2740, 3020, 4010, 8020, 20687, 41374, 54937, 60551, 82748, 103435, 109874, 121102, 206870, 219748, 242204, 274685, 302755, 413740, 549370, 605510, 1098740, 1211020, 8295487, 16590974, 33181948, 41477435, 82954870, 165909740]

約数ペア:

[(1, 165909740), (2, 82954870), (4, 41477435), (5, 33181948), (10, 16590974), (20, 8295487), (137, 1211020), (151, 1098740), (274, 605510), (302, 549370), (401, 413740), (548, 302755), (604, 274685), (685, 242204), (755, 219748), (802, 206870), (1370, 121102), (1510, 109874), (1604, 103435), (2005, 82748), (2740, 60551), (3020, 54937), (4010, 41374), (8020, 20687)]