191216080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1103}}^1$

素因数の和:1324

約数の個数: 80

約数和(自身を含む): 487897344

約数和(自身を除く): 296681264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 197, 220, 394, 440, 788, 880, 985, 1103, 1576, 1970, 2167, 2206, 3152, 3940, 4334, 4412, 5515, 7880, 8668, 8824, 10835, 11030, 12133, 15760, 17336, 17648, 21670, 22060, 24266, 34672, 43340, 44120, 48532, 60665, 86680, 88240, 97064, 121330, 173360, 194128, 217291, 242660, 434582, 485320, 869164, 970640, 1086455, 1738328, 2172910, 2390201, 3476656, 4345820, 4780402, 8691640, 9560804, 11951005, 17383280, 19121608, 23902010, 38243216, 47804020, 95608040, 191216080]

約数ペア:

[(1, 191216080), (2, 95608040), (4, 47804020), (5, 38243216), (8, 23902010), (10, 19121608), (11, 17383280), (16, 11951005), (20, 9560804), (22, 8691640), (40, 4780402), (44, 4345820), (55, 3476656), (80, 2390201), (88, 2172910), (110, 1738328), (176, 1086455), (197, 970640), (220, 869164), (394, 485320), (440, 434582), (788, 242660), (880, 217291), (985, 194128), (1103, 173360), (1576, 121330), (1970, 97064), (2167, 88240), (2206, 86680), (3152, 60665), (3940, 48532), (4334, 44120), (4412, 43340), (5515, 34672), (7880, 24266), (8668, 22060), (8824, 21670), (10835, 17648), (11030, 17336), (12133, 15760)]