28980852010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1979}}^1\times {\mathrm{1987}}^1$

素因数の和:4051

約数の個数: 64

約数和(自身を含む): 57815493120

約数和(自身を除く): 28834641110

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 1979, 1987, 3685, 3958, 3974, 7370, 9895, 9935, 19790, 19870, 21769, 21857, 43538, 43714, 108845, 109285, 132593, 133129, 217690, 218570, 265186, 266258, 662965, 665645, 1325930, 1331290, 1458523, 1464419, 2917046, 2928838, 3932273, 7292615, 7322095, 7864546, 14585230, 14644190, 19661365, 39322730, 43255003, 86510006, 216275015, 263462291, 432550030, 526924582, 1317311455, 2634622910, 2898085201, 5796170402, 14490426005, 28980852010]

約数ペア:

[(1, 28980852010), (2, 14490426005), (5, 5796170402), (10, 2898085201), (11, 2634622910), (22, 1317311455), (55, 526924582), (67, 432550030), (110, 263462291), (134, 216275015), (335, 86510006), (670, 43255003), (737, 39322730), (1474, 19661365), (1979, 14644190), (1987, 14585230), (3685, 7864546), (3958, 7322095), (3974, 7292615), (7370, 3932273), (9895, 2928838), (9935, 2917046), (19790, 1464419), (19870, 1458523), (21769, 1331290), (21857, 1325930), (43538, 665645), (43714, 662965), (108845, 266258), (109285, 265186), (132593, 218570), (133129, 217690)]