280652008

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{55073}}^1$

素因数の和:55106

約数の個数: 48

約数和(自身を含む): 659235780

約数和(自身を除く): 378583772

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 55073, 110146, 220292, 385511, 440584, 715949, 771022, 1431898, 1542044, 2698577, 2863796, 3084088, 5011643, 5397154, 5727592, 10023286, 10794308, 20046572, 21588616, 35081501, 40093144, 70163002, 140326004, 280652008]

約数ペア:

[(1, 280652008), (2, 140326004), (4, 70163002), (7, 40093144), (8, 35081501), (13, 21588616), (14, 20046572), (26, 10794308), (28, 10023286), (49, 5727592), (52, 5397154), (56, 5011643), (91, 3084088), (98, 2863796), (104, 2698577), (182, 1542044), (196, 1431898), (364, 771022), (392, 715949), (637, 440584), (728, 385511), (1274, 220292), (2548, 110146), (5096, 55073)]