165610340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16661}}^1$

素因数の和:16748

約数の個数: 48

約数和(自身を含む): 403087104

約数和(自身を除く): 237476764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 16661, 33322, 66644, 83305, 116627, 166610, 233254, 333220, 466508, 583135, 1166270, 1182931, 2332540, 2365862, 4731724, 5914655, 8280517, 11829310, 16561034, 23658620, 33122068, 41402585, 82805170, 165610340]

約数ペア:

[(1, 165610340), (2, 82805170), (4, 41402585), (5, 33122068), (7, 23658620), (10, 16561034), (14, 11829310), (20, 8280517), (28, 5914655), (35, 4731724), (70, 2365862), (71, 2332540), (140, 1182931), (142, 1166270), (284, 583135), (355, 466508), (497, 333220), (710, 233254), (994, 166610), (1420, 116627), (1988, 83305), (2485, 66644), (4970, 33322), (9940, 16661)]