289257080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1033061}}^1$

素因数の和:1033079

約数の個数: 32

約数和(自身を含む): 743804640

約数和(自身を除く): 454547560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1033061, 2066122, 4132244, 5165305, 7231427, 8264488, 10330610, 14462854, 20661220, 28925708, 36157135, 41322440, 57851416, 72314270, 144628540, 289257080]

約数ペア:

[(1, 289257080), (2, 144628540), (4, 72314270), (5, 57851416), (7, 41322440), (8, 36157135), (10, 28925708), (14, 20661220), (20, 14462854), (28, 10330610), (35, 8264488), (40, 7231427), (56, 5165305), (70, 4132244), (140, 2066122), (280, 1033061)]