420173820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{212209}}^1$

素因数の和:212235

約数の個数: 72

約数和(自身を含む): 1390399920

約数和(自身を除く): 970226100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 212209, 424418, 636627, 848836, 1061045, 1273254, 1909881, 2122090, 2334299, 2546508, 3183135, 3819762, 4244180, 4668598, 6366270, 7002897, 7639524, 9337196, 9549405, 11671495, 12732540, 14005794, 19098810, 21008691, 23342990, 28011588, 35014485, 38197620, 42017382, 46685980, 70028970, 84034764, 105043455, 140057940, 210086910, 420173820]

約数ペア:

[(1, 420173820), (2, 210086910), (3, 140057940), (4, 105043455), (5, 84034764), (6, 70028970), (9, 46685980), (10, 42017382), (11, 38197620), (12, 35014485), (15, 28011588), (18, 23342990), (20, 21008691), (22, 19098810), (30, 14005794), (33, 12732540), (36, 11671495), (44, 9549405), (45, 9337196), (55, 7639524), (60, 7002897), (66, 6366270), (90, 4668598), (99, 4244180), (110, 3819762), (132, 3183135), (165, 2546508), (180, 2334299), (198, 2122090), (220, 1909881), (330, 1273254), (396, 1061045), (495, 848836), (660, 636627), (990, 424418), (1980, 212209)]