1906088720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{335579}}^1$

素因数の和:335663

約数の個数: 40

約数和(自身を含む): 4494087360

約数和(自身を除く): 2587998640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 335579, 671158, 1342316, 1677895, 2684632, 3355790, 5369264, 6711580, 13423160, 23826109, 26846320, 47652218, 95304436, 119130545, 190608872, 238261090, 381217744, 476522180, 953044360, 1906088720]

約数ペア:

[(1, 1906088720), (2, 953044360), (4, 476522180), (5, 381217744), (8, 238261090), (10, 190608872), (16, 119130545), (20, 95304436), (40, 47652218), (71, 26846320), (80, 23826109), (142, 13423160), (284, 6711580), (355, 5369264), (568, 3355790), (710, 2684632), (1136, 1677895), (1420, 1342316), (2840, 671158), (5680, 335579)]