121488280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{159853}}^1$

素因数の和:159883

約数の個数: 32

約数和(自身を含む): 287737200

約数和(自身を除く): 166248920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 159853, 319706, 639412, 799265, 1278824, 1598530, 3037207, 3197060, 6074414, 6394120, 12148828, 15186035, 24297656, 30372070, 60744140, 121488280]

約数ペア:

[(1, 121488280), (2, 60744140), (4, 30372070), (5, 24297656), (8, 15186035), (10, 12148828), (19, 6394120), (20, 6074414), (38, 3197060), (40, 3037207), (76, 1598530), (95, 1278824), (152, 799265), (190, 639412), (380, 319706), (760, 159853)]