28348660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 63297360

約数和(自身を除く): 34948700

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 1321, 2146, 2642, 4292, 5284, 5365, 6605, 10730, 13210, 21460, 26420, 38309, 48877, 76618, 97754, 153236, 191545, 195508, 244385, 383090, 488770, 766180, 977540, 1417433, 2834866, 5669732, 7087165, 14174330, 28348660]

約数ペア:

[(1, 28348660), (2, 14174330), (4, 7087165), (5, 5669732), (10, 2834866), (20, 1417433), (29, 977540), (37, 766180), (58, 488770), (74, 383090), (116, 244385), (145, 195508), (148, 191545), (185, 153236), (290, 97754), (370, 76618), (580, 48877), (740, 38309), (1073, 26420), (1321, 21460), (2146, 13210), (2642, 10730), (4292, 6605), (5284, 5365)]