139886680

素因数分解:

$2^3\times 5^1\times {\mathrm{1499}}^1\times {\mathrm{2333}}^1$

素因数の和:3843

約数の個数: 32

約数和(自身を含む): 315090000

約数和(自身を除く): 175203320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1499, 2333, 2998, 4666, 5996, 7495, 9332, 11665, 11992, 14990, 18664, 23330, 29980, 46660, 59960, 93320, 3497167, 6994334, 13988668, 17485835, 27977336, 34971670, 69943340, 139886680]

約数ペア:

[(1, 139886680), (2, 69943340), (4, 34971670), (5, 27977336), (8, 17485835), (10, 13988668), (20, 6994334), (40, 3497167), (1499, 93320), (2333, 59960), (2998, 46660), (4666, 29980), (5996, 23330), (7495, 18664), (9332, 14990), (11665, 11992)]