63688940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{454921}}^1$

素因数の和:454937

約数の個数: 24

約数和(自身を含む): 152853792

約数和(自身を除く): 89164852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 454921, 909842, 1819684, 2274605, 3184447, 4549210, 6368894, 9098420, 12737788, 15922235, 31844470, 63688940]

約数ペア:

[(1, 63688940), (2, 31844470), (4, 15922235), (5, 12737788), (7, 9098420), (10, 6368894), (14, 4549210), (20, 3184447), (28, 2274605), (35, 1819684), (70, 909842), (140, 454921)]