2991131240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3935699}}^1$

素因数の和:3935729

約数の個数: 32

約数和(自身を含む): 7084260000

約数和(自身を除く): 4093128760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3935699, 7871398, 15742796, 19678495, 31485592, 39356990, 74778281, 78713980, 149556562, 157427960, 299113124, 373891405, 598226248, 747782810, 1495565620, 2991131240]

約数ペア:

[(1, 2991131240), (2, 1495565620), (4, 747782810), (5, 598226248), (8, 373891405), (10, 299113124), (19, 157427960), (20, 149556562), (38, 78713980), (40, 74778281), (76, 39356990), (95, 31485592), (152, 19678495), (190, 15742796), (380, 7871398), (760, 3935699)]