72355390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 133513920

約数和(自身を除く): 61158530

約数列:

[1, 2, 5, 10, 71, 101, 142, 202, 355, 505, 710, 1009, 1010, 2018, 5045, 7171, 10090, 14342, 35855, 71639, 71710, 101909, 143278, 203818, 358195, 509545, 716390, 1019090, 7235539, 14471078, 36177695, 72355390]

約数ペア:

[(1, 72355390), (2, 36177695), (5, 14471078), (10, 7235539), (71, 1019090), (101, 716390), (142, 509545), (202, 358195), (355, 203818), (505, 143278), (710, 101909), (1009, 71710), (1010, 71639), (2018, 35855), (5045, 14342), (7171, 10090)]