279057080

素因数分解:

$2^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{4049}}^1$

素因数の和:5783

約数の個数: 32

約数和(自身を含む): 628398000

約数和(自身を除く): 349340920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1723, 3446, 4049, 6892, 8098, 8615, 13784, 16196, 17230, 20245, 32392, 34460, 40490, 68920, 80980, 161960, 6976427, 13952854, 27905708, 34882135, 55811416, 69764270, 139528540, 279057080]

約数ペア:

[(1, 279057080), (2, 139528540), (4, 69764270), (5, 55811416), (8, 34882135), (10, 27905708), (20, 13952854), (40, 6976427), (1723, 161960), (3446, 80980), (4049, 68920), (6892, 40490), (8098, 34460), (8615, 32392), (13784, 20245), (16196, 17230)]