10905012

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 29484000

約数和(自身を除く): 18578988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 107, 114, 149, 171, 214, 228, 298, 321, 342, 428, 447, 596, 642, 684, 894, 963, 1284, 1341, 1788, 1926, 2033, 2682, 2831, 3852, 4066, 5364, 5662, 6099, 8132, 8493, 11324, 12198, 15943, 16986, 18297, 24396, 25479, 31886, 33972, 36594, 47829, 50958, 63772, 73188, 95658, 101916, 143487, 191316, 286974, 302917, 573948, 605834, 908751, 1211668, 1817502, 2726253, 3635004, 5452506, 10905012]

約数ペア:

[(1, 10905012), (2, 5452506), (3, 3635004), (4, 2726253), (6, 1817502), (9, 1211668), (12, 908751), (18, 605834), (19, 573948), (36, 302917), (38, 286974), (57, 191316), (76, 143487), (107, 101916), (114, 95658), (149, 73188), (171, 63772), (214, 50958), (228, 47829), (298, 36594), (321, 33972), (342, 31886), (428, 25479), (447, 24396), (596, 18297), (642, 16986), (684, 15943), (894, 12198), (963, 11324), (1284, 8493), (1341, 8132), (1788, 6099), (1926, 5662), (2033, 5364), (2682, 4066), (2831, 3852)]