138973480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{93901}}^1$

素因数の和:93949

約数の個数: 32

約数和(自身を含む): 321144840

約数和(自身を除く): 182171360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 93901, 187802, 375604, 469505, 751208, 939010, 1878020, 3474337, 3756040, 6948674, 13897348, 17371685, 27794696, 34743370, 69486740, 138973480]

約数ペア:

[(1, 138973480), (2, 69486740), (4, 34743370), (5, 27794696), (8, 17371685), (10, 13897348), (20, 6948674), (37, 3756040), (40, 3474337), (74, 1878020), (148, 939010), (185, 751208), (296, 469505), (370, 375604), (740, 187802), (1480, 93901)]