1387940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2393}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 3016440

約数和(自身を除く): 1628500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2393, 4786, 9572, 11965, 23930, 47860, 69397, 138794, 277588, 346985, 693970, 1387940]

約数ペア:

[(1, 1387940), (2, 693970), (4, 346985), (5, 277588), (10, 138794), (20, 69397), (29, 47860), (58, 23930), (116, 11965), (145, 9572), (290, 4786), (580, 2393)]