199980004

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{66749}}^1$

素因数の和:66867

約数の個数: 24

約数和(自身を含む): 403704000

約数和(自身を除く): 203723996

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 66749, 133498, 266996, 467243, 934486, 1868972, 7142143, 14284286, 28568572, 49995001, 99990002, 199980004]

約数ペア:

[(1, 199980004), (2, 99990002), (4, 49995001), (7, 28568572), (14, 14284286), (28, 7142143), (107, 1868972), (214, 934486), (428, 467243), (749, 266996), (1498, 133498), (2996, 66749)]