27840100

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1399}}^1$

素因数の和:1612

約数の個数: 36

約数和(自身を含む): 60760000

約数和(自身を除く): 32919900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1399, 1990, 2798, 3980, 4975, 5596, 6995, 9950, 13990, 19900, 27980, 34975, 69950, 139900, 278401, 556802, 1113604, 1392005, 2784010, 5568020, 6960025, 13920050, 27840100]

約数ペア:

[(1, 27840100), (2, 13920050), (4, 6960025), (5, 5568020), (10, 2784010), (20, 1392005), (25, 1113604), (50, 556802), (100, 278401), (199, 139900), (398, 69950), (796, 34975), (995, 27980), (1399, 19900), (1990, 13990), (2798, 9950), (3980, 6995), (4975, 5596)]