178889340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4391}}^1$

素因数の和:4507

約数の個数: 96

約数和(自身を含む): 578479104

約数和(自身を除く): 399589764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 970, 1164, 1358, 1455, 1940, 2037, 2716, 2910, 3395, 4074, 4391, 5820, 6790, 8148, 8782, 10185, 13173, 13580, 17564, 20370, 21955, 26346, 30737, 40740, 43910, 52692, 61474, 65865, 87820, 92211, 122948, 131730, 153685, 184422, 263460, 307370, 368844, 425927, 461055, 614740, 851854, 922110, 1277781, 1703708, 1844220, 2129635, 2555562, 2981489, 4259270, 5111124, 5962978, 6388905, 8518540, 8944467, 11925956, 12777810, 14907445, 17888934, 25555620, 29814890, 35777868, 44722335, 59629780, 89444670, 178889340]

約数ペア:

[(1, 178889340), (2, 89444670), (3, 59629780), (4, 44722335), (5, 35777868), (6, 29814890), (7, 25555620), (10, 17888934), (12, 14907445), (14, 12777810), (15, 11925956), (20, 8944467), (21, 8518540), (28, 6388905), (30, 5962978), (35, 5111124), (42, 4259270), (60, 2981489), (70, 2555562), (84, 2129635), (97, 1844220), (105, 1703708), (140, 1277781), (194, 922110), (210, 851854), (291, 614740), (388, 461055), (420, 425927), (485, 368844), (582, 307370), (679, 263460), (970, 184422), (1164, 153685), (1358, 131730), (1455, 122948), (1940, 92211), (2037, 87820), (2716, 65865), (2910, 61474), (3395, 52692), (4074, 43910), (4391, 40740), (5820, 30737), (6790, 26346), (8148, 21955), (8782, 20370), (10185, 17564), (13173, 13580)]