163949660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171069}}^1$

素因数の和:1171085

約数の個数: 24

約数和(自身を含む): 393479520

約数和(自身を除く): 229529860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171069, 2342138, 4684276, 5855345, 8197483, 11710690, 16394966, 23421380, 32789932, 40987415, 81974830, 163949660]

約数ペア:

[(1, 163949660), (2, 81974830), (4, 40987415), (5, 32789932), (7, 23421380), (10, 16394966), (14, 11710690), (20, 8197483), (28, 5855345), (35, 4684276), (70, 2342138), (140, 1171069)]