668804080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1194293}}^1$

素因数の和:1194313

約数の個数: 40

約数和(自身を含む): 1777109472

約数和(自身を除く): 1108305392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1194293, 2388586, 4777172, 5971465, 8360051, 9554344, 11942930, 16720102, 19108688, 23885860, 33440204, 41800255, 47771720, 66880408, 83600510, 95543440, 133760816, 167201020, 334402040, 668804080]

約数ペア:

[(1, 668804080), (2, 334402040), (4, 167201020), (5, 133760816), (7, 95543440), (8, 83600510), (10, 66880408), (14, 47771720), (16, 41800255), (20, 33440204), (28, 23885860), (35, 19108688), (40, 16720102), (56, 11942930), (70, 9554344), (80, 8360051), (112, 5971465), (140, 4777172), (280, 2388586), (560, 1194293)]