71172220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{508373}}^1$

素因数の和:508389

約数の個数: 24

約数和(自身を含む): 170813664

約数和(自身を除く): 99641444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 508373, 1016746, 2033492, 2541865, 3558611, 5083730, 7117222, 10167460, 14234444, 17793055, 35586110, 71172220]

約数ペア:

[(1, 71172220), (2, 35586110), (4, 17793055), (5, 14234444), (7, 10167460), (10, 7117222), (14, 5083730), (20, 3558611), (28, 2541865), (35, 2033492), (70, 1016746), (140, 508373)]