87202220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1279}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 209879040

約数和(自身を除く): 122676820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1279, 1948, 2435, 2558, 3409, 4870, 5116, 6395, 6818, 8953, 9740, 12790, 13636, 17045, 17906, 25580, 34090, 35812, 44765, 68180, 89530, 179060, 622873, 1245746, 2491492, 3114365, 4360111, 6228730, 8720222, 12457460, 17440444, 21800555, 43601110, 87202220]

約数ペア:

[(1, 87202220), (2, 43601110), (4, 21800555), (5, 17440444), (7, 12457460), (10, 8720222), (14, 6228730), (20, 4360111), (28, 3114365), (35, 2491492), (70, 1245746), (140, 622873), (487, 179060), (974, 89530), (1279, 68180), (1948, 44765), (2435, 35812), (2558, 34090), (3409, 25580), (4870, 17906), (5116, 17045), (6395, 13636), (6818, 12790), (8953, 9740)]