11917780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12161}}^1$

素因数の和:12184

約数の個数: 36

約数和(自身を含む): 29115828

約数和(自身を除く): 17198048

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12161, 24322, 48644, 60805, 85127, 121610, 170254, 243220, 340508, 425635, 595889, 851270, 1191778, 1702540, 2383556, 2979445, 5958890, 11917780]

約数ペア:

[(1, 11917780), (2, 5958890), (4, 2979445), (5, 2383556), (7, 1702540), (10, 1191778), (14, 851270), (20, 595889), (28, 425635), (35, 340508), (49, 243220), (70, 170254), (98, 121610), (140, 85127), (196, 60805), (245, 48644), (490, 24322), (980, 12161)]