1439380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 3064320

約数和(自身を除く): 1624940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 911, 1580, 1822, 3644, 4555, 9110, 18220, 71969, 143938, 287876, 359845, 719690, 1439380]

約数ペア:

[(1, 1439380), (2, 719690), (4, 359845), (5, 287876), (10, 143938), (20, 71969), (79, 18220), (158, 9110), (316, 4555), (395, 3644), (790, 1822), (911, 1580)]