71106980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{507907}}^1$

素因数の和:507923

約数の個数: 24

約数和(自身を含む): 170657088

約数和(自身を除く): 99550108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 507907, 1015814, 2031628, 2539535, 3555349, 5079070, 7110698, 10158140, 14221396, 17776745, 35553490, 71106980]

約数ペア:

[(1, 71106980), (2, 35553490), (4, 17776745), (5, 14221396), (7, 10158140), (10, 7110698), (14, 5079070), (20, 3555349), (28, 2539535), (35, 2031628), (70, 1015814), (140, 507907)]