145474280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{519551}}^1$

素因数の和:519569

約数の個数: 32

約数和(自身を含む): 374077440

約数和(自身を除く): 228603160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 519551, 1039102, 2078204, 2597755, 3636857, 4156408, 5195510, 7273714, 10391020, 14547428, 18184285, 20782040, 29094856, 36368570, 72737140, 145474280]

約数ペア:

[(1, 145474280), (2, 72737140), (4, 36368570), (5, 29094856), (7, 20782040), (8, 18184285), (10, 14547428), (14, 10391020), (20, 7273714), (28, 5195510), (35, 4156408), (40, 3636857), (56, 2597755), (70, 2078204), (140, 1039102), (280, 519551)]