1217420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2099}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 2646000

約数和(自身を除く): 1428580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2099, 4198, 8396, 10495, 20990, 41980, 60871, 121742, 243484, 304355, 608710, 1217420]

約数ペア:

[(1, 1217420), (2, 608710), (4, 304355), (5, 243484), (10, 121742), (20, 60871), (29, 41980), (58, 20990), (116, 10495), (145, 8396), (290, 4198), (580, 2099)]