797292220

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{79889}}^1$

素因数の和:80397

約数の個数: 24

約数和(自身を含む): 1677690000

約数和(自身を除く): 880397780

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 79889, 159778, 319556, 399445, 798890, 1597780, 39864611, 79729222, 159458444, 199323055, 398646110, 797292220]

約数ペア:

[(1, 797292220), (2, 398646110), (4, 199323055), (5, 159458444), (10, 79729222), (20, 39864611), (499, 1597780), (998, 798890), (1996, 399445), (2495, 319556), (4990, 159778), (9980, 79889)]