1812440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6473}}^1$

素因数の和:6491

約数の個数: 32

約数和(自身を含む): 4661280

約数和(自身を除く): 2848840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6473, 12946, 25892, 32365, 45311, 51784, 64730, 90622, 129460, 181244, 226555, 258920, 362488, 453110, 906220, 1812440]

約数ペア:

[(1, 1812440), (2, 906220), (4, 453110), (5, 362488), (7, 258920), (8, 226555), (10, 181244), (14, 129460), (20, 90622), (28, 64730), (35, 51784), (40, 45311), (56, 32365), (70, 25892), (140, 12946), (280, 6473)]