30509080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108961}}^1$

素因数の和:108979

約数の個数: 32

約数和(自身を含む): 78452640

約数和(自身を除く): 47943560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108961, 217922, 435844, 544805, 762727, 871688, 1089610, 1525454, 2179220, 3050908, 3813635, 4358440, 6101816, 7627270, 15254540, 30509080]

約数ペア:

[(1, 30509080), (2, 15254540), (4, 7627270), (5, 6101816), (7, 4358440), (8, 3813635), (10, 3050908), (14, 2179220), (20, 1525454), (28, 1089610), (35, 871688), (40, 762727), (56, 544805), (70, 435844), (140, 217922), (280, 108961)]