2019010900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{255571}}^1$

素因数の和:255664

約数の個数: 36

約数和(自身を含む): 4436729920

約数和(自身を除く): 2417719020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 255571, 511142, 1022284, 1277855, 2555710, 5111420, 6389275, 12778550, 20190109, 25557100, 40380218, 80760436, 100950545, 201901090, 403802180, 504752725, 1009505450, 2019010900]

約数ペア:

[(1, 2019010900), (2, 1009505450), (4, 504752725), (5, 403802180), (10, 201901090), (20, 100950545), (25, 80760436), (50, 40380218), (79, 25557100), (100, 20190109), (158, 12778550), (316, 6389275), (395, 5111420), (790, 2555710), (1580, 1277855), (1975, 1022284), (3950, 511142), (7900, 255571)]