133080920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{475289}}^1$

素因数の和:475307

約数の個数: 32

約数和(自身を含む): 342208800

約数和(自身を除く): 209127880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 475289, 950578, 1901156, 2376445, 3327023, 3802312, 4752890, 6654046, 9505780, 13308092, 16635115, 19011560, 26616184, 33270230, 66540460, 133080920]

約数ペア:

[(1, 133080920), (2, 66540460), (4, 33270230), (5, 26616184), (7, 19011560), (8, 16635115), (10, 13308092), (14, 9505780), (20, 6654046), (28, 4752890), (35, 3802312), (40, 3327023), (56, 2376445), (70, 1901156), (140, 950578), (280, 475289)]