84069020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1223}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 202341888

約数和(自身を除く): 118272868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1223, 1964, 2446, 2455, 3437, 4892, 4910, 6115, 6874, 8561, 9820, 12230, 13748, 17122, 17185, 24460, 34244, 34370, 42805, 68740, 85610, 171220, 600493, 1200986, 2401972, 3002465, 4203451, 6004930, 8406902, 12009860, 16813804, 21017255, 42034510, 84069020]

約数ペア:

[(1, 84069020), (2, 42034510), (4, 21017255), (5, 16813804), (7, 12009860), (10, 8406902), (14, 6004930), (20, 4203451), (28, 3002465), (35, 2401972), (70, 1200986), (140, 600493), (491, 171220), (982, 85610), (1223, 68740), (1964, 42805), (2446, 34370), (2455, 34244), (3437, 24460), (4892, 17185), (4910, 17122), (6115, 13748), (6874, 12230), (8561, 9820)]