202084820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{206209}}^1$

素因数の和:206232

約数の個数: 36

約数和(自身を含む): 493666740

約数和(自身を除く): 291581920

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 206209, 412418, 824836, 1031045, 1443463, 2062090, 2886926, 4124180, 5773852, 7217315, 10104241, 14434630, 20208482, 28869260, 40416964, 50521205, 101042410, 202084820]

約数ペア:

[(1, 202084820), (2, 101042410), (4, 50521205), (5, 40416964), (7, 28869260), (10, 20208482), (14, 14434630), (20, 10104241), (28, 7217315), (35, 5773852), (49, 4124180), (70, 2886926), (98, 2062090), (140, 1443463), (196, 1031045), (245, 824836), (490, 412418), (980, 206209)]