1388980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1877}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 2997288

約数和(自身を除く): 1608308

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1877, 3754, 7508, 9385, 18770, 37540, 69449, 138898, 277796, 347245, 694490, 1388980]

約数ペア:

[(1, 1388980), (2, 694490), (4, 347245), (5, 277796), (10, 138898), (20, 69449), (37, 37540), (74, 18770), (148, 9385), (185, 7508), (370, 3754), (740, 1877)]