199920294580

素因数分解:

$2^2\times 5^1\times {\mathrm{17903}}^1\times {\mathrm{558343}}^1$

素因数の和:576255

約数の個数: 24

約数和(自身を含む): 419856820992

約数和(自身を除く): 219936526412

約数列:

[1, 2, 4, 5, 10, 20, 17903, 35806, 71612, 89515, 179030, 358060, 558343, 1116686, 2233372, 2791715, 5583430, 11166860, 9996014729, 19992029458, 39984058916, 49980073645, 99960147290, 199920294580]

約数ペア:

[(1, 199920294580), (2, 99960147290), (4, 49980073645), (5, 39984058916), (10, 19992029458), (20, 9996014729), (17903, 11166860), (35806, 5583430), (71612, 2791715), (89515, 2233372), (179030, 1116686), (358060, 558343)]