84939620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{349}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 183691200

約数和(自身を除く): 98751580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 283, 349, 430, 566, 698, 860, 1132, 1396, 1415, 1745, 2830, 3490, 5660, 6980, 12169, 15007, 24338, 30014, 48676, 60028, 60845, 75035, 98767, 121690, 150070, 197534, 243380, 300140, 395068, 493835, 987670, 1975340, 4246981, 8493962, 16987924, 21234905, 42469810, 84939620]

約数ペア:

[(1, 84939620), (2, 42469810), (4, 21234905), (5, 16987924), (10, 8493962), (20, 4246981), (43, 1975340), (86, 987670), (172, 493835), (215, 395068), (283, 300140), (349, 243380), (430, 197534), (566, 150070), (698, 121690), (860, 98767), (1132, 75035), (1396, 60845), (1415, 60028), (1745, 48676), (2830, 30014), (3490, 24338), (5660, 15007), (6980, 12169)]