4837580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1999}}^1$

素因数の和:2030

約数の個数: 36

約数和(自身を含む): 11172000

約数和(自身を除く): 6334420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1999, 2420, 3998, 7996, 9995, 19990, 21989, 39980, 43978, 87956, 109945, 219890, 241879, 439780, 483758, 967516, 1209395, 2418790, 4837580]

約数ペア:

[(1, 4837580), (2, 2418790), (4, 1209395), (5, 967516), (10, 483758), (11, 439780), (20, 241879), (22, 219890), (44, 109945), (55, 87956), (110, 43978), (121, 39980), (220, 21989), (242, 19990), (484, 9995), (605, 7996), (1210, 3998), (1999, 2420)]