688889780870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{33457493}}^1$

素因数の和:33457600

約数の個数: 32

約数和(自身を含む): 1300827366720

約数和(自身を除く): 611937585850

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 2059, 4118, 10295, 20590, 33457493, 66914986, 167287465, 334574930, 970267297, 1940534594, 2375482003, 4750964006, 4851336485, 9702672970, 11877410015, 23754820030, 68888978087, 137777956174, 344444890435, 688889780870]

約数ペア:

[(1, 688889780870), (2, 344444890435), (5, 137777956174), (10, 68888978087), (29, 23754820030), (58, 11877410015), (71, 9702672970), (142, 4851336485), (145, 4750964006), (290, 2375482003), (355, 1940534594), (710, 970267297), (2059, 334574930), (4118, 167287465), (10295, 66914986), (20590, 33457493)]