280715344

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{192799}}^1$

素因数の和:192827

約数の個数: 40

約数和(自身を含む): 669401600

約数和(自身を除く): 388686256

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 192799, 385598, 771196, 1349593, 1542392, 2506387, 2699186, 3084784, 5012774, 5398372, 10025548, 10796744, 17544709, 20051096, 21593488, 35089418, 40102192, 70178836, 140357672, 280715344]

約数ペア:

[(1, 280715344), (2, 140357672), (4, 70178836), (7, 40102192), (8, 35089418), (13, 21593488), (14, 20051096), (16, 17544709), (26, 10796744), (28, 10025548), (52, 5398372), (56, 5012774), (91, 3084784), (104, 2699186), (112, 2506387), (182, 1542392), (208, 1349593), (364, 771196), (728, 385598), (1456, 192799)]