212273820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107209}}^1$

素因数の和:107235

約数の個数: 72

約数和(自身を含む): 702439920

約数和(自身を除く): 490166100

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, 107209, 214418, 321627, 428836, 536045, 643254, 964881, 1072090, 1179299, 1286508, 1608135, 1929762, 2144180, 2358598, 3216270, 3537897, 3859524, 4717196, 4824405, 5896495, 6432540, 7075794, 9648810, 10613691, 11792990, 14151588, 17689485, 19297620, 21227382, 23585980, 35378970, 42454764, 53068455, 70757940, 106136910, 212273820]

約数ペア:

[(1, 212273820), (2, 106136910), (3, 70757940), (4, 53068455), (5, 42454764), (6, 35378970), (9, 23585980), (10, 21227382), (11, 19297620), (12, 17689485), (15, 14151588), (18, 11792990), (20, 10613691), (22, 9648810), (30, 7075794), (33, 6432540), (36, 5896495), (44, 4824405), (45, 4717196), (55, 3859524), (60, 3537897), (66, 3216270), (90, 2358598), (99, 2144180), (110, 1929762), (132, 1608135), (165, 1286508), (180, 1179299), (198, 1072090), (220, 964881), (330, 643254), (396, 536045), (495, 428836), (660, 321627), (990, 214418), (1980, 107209)]