1988380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2687}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 4290048

約数和(自身を除く): 2301668

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 2687, 5374, 10748, 13435, 26870, 53740, 99419, 198838, 397676, 497095, 994190, 1988380]

約数ペア:

[(1, 1988380), (2, 994190), (4, 497095), (5, 397676), (10, 198838), (20, 99419), (37, 53740), (74, 26870), (148, 13435), (185, 10748), (370, 5374), (740, 2687)]