17271820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 38031840

約数和(自身を除く): 20760020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 307, 388, 485, 580, 614, 970, 1228, 1535, 1940, 2813, 3070, 5626, 6140, 8903, 11252, 14065, 17806, 28130, 29779, 35612, 44515, 56260, 59558, 89030, 119116, 148895, 178060, 297790, 595580, 863591, 1727182, 3454364, 4317955, 8635910, 17271820]

約数ペア:

[(1, 17271820), (2, 8635910), (4, 4317955), (5, 3454364), (10, 1727182), (20, 863591), (29, 595580), (58, 297790), (97, 178060), (116, 148895), (145, 119116), (194, 89030), (290, 59558), (307, 56260), (388, 44515), (485, 35612), (580, 29779), (614, 28130), (970, 17806), (1228, 14065), (1535, 11252), (1940, 8903), (2813, 6140), (3070, 5626)]