422678420

素因数分解:

$2^2\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{9439}}^1$

素因数の和:11687

約数の個数: 24

約数和(自身を含む): 888115200

約数和(自身を除く): 465436780

約数列:

[1, 2, 4, 5, 10, 20, 2239, 4478, 8956, 9439, 11195, 18878, 22390, 37756, 44780, 47195, 94390, 188780, 21133921, 42267842, 84535684, 105669605, 211339210, 422678420]

約数ペア:

[(1, 422678420), (2, 211339210), (4, 105669605), (5, 84535684), (10, 42267842), (20, 21133921), (2239, 188780), (4478, 94390), (8956, 47195), (9439, 44780), (11195, 37756), (18878, 22390)]