207951020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{52249}}^1$

素因数の和:52457

約数の個数: 24

約数和(自身を含む): 438900000

約数和(自身を除く): 230948980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 52249, 104498, 208996, 261245, 522490, 1044980, 10397551, 20795102, 41590204, 51987755, 103975510, 207951020]

約数ペア:

[(1, 207951020), (2, 103975510), (4, 51987755), (5, 41590204), (10, 20795102), (20, 10397551), (199, 1044980), (398, 522490), (796, 261245), (995, 208996), (1990, 104498), (3980, 52249)]