906220

素因数分解:

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

素因数の和:6489

約数の個数: 24

約数和(自身を含む): 2175264

約数和(自身を除く): 1269044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6473, 12946, 25892, 32365, 45311, 64730, 90622, 129460, 181244, 226555, 453110, 906220]

約数ペア:

[(1, 906220), (2, 453110), (4, 226555), (5, 181244), (7, 129460), (10, 90622), (14, 64730), (20, 45311), (28, 32365), (35, 25892), (70, 12946), (140, 6473)]