85286740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55381}}^1$

素因数の和:55408

約数の個数: 48

約数和(自身を含む): 223300224

約数和(自身を除く): 138013484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 55381, 110762, 221524, 276905, 387667, 553810, 609191, 775334, 1107620, 1218382, 1550668, 1938335, 2436764, 3045955, 3876670, 4264337, 6091910, 7753340, 8528674, 12183820, 17057348, 21321685, 42643370, 85286740]

約数ペア:

[(1, 85286740), (2, 42643370), (4, 21321685), (5, 17057348), (7, 12183820), (10, 8528674), (11, 7753340), (14, 6091910), (20, 4264337), (22, 3876670), (28, 3045955), (35, 2436764), (44, 1938335), (55, 1550668), (70, 1218382), (77, 1107620), (110, 775334), (140, 609191), (154, 553810), (220, 387667), (308, 276905), (385, 221524), (770, 110762), (1540, 55381)]