1982960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3541}}^1$

素因数の和:3561

約数の個数: 40

約数和(自身を含む): 5270496

約数和(自身を除く): 3287536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3541, 7082, 14164, 17705, 24787, 28328, 35410, 49574, 56656, 70820, 99148, 123935, 141640, 198296, 247870, 283280, 396592, 495740, 991480, 1982960]

約数ペア:

[(1, 1982960), (2, 991480), (4, 495740), (5, 396592), (7, 283280), (8, 247870), (10, 198296), (14, 141640), (16, 123935), (20, 99148), (28, 70820), (35, 56656), (40, 49574), (56, 35410), (70, 28328), (80, 24787), (112, 17705), (140, 14164), (280, 7082), (560, 3541)]