190890990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2121011}}^1$

素因数の和:2121024

約数の個数: 24

約数和(自身を含む): 496316808

約数和(自身を除く): 305425818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2121011, 4242022, 6363033, 10605055, 12726066, 19089099, 21210110, 31815165, 38178198, 63630330, 95445495, 190890990]

約数ペア:

[(1, 190890990), (2, 95445495), (3, 63630330), (5, 38178198), (6, 31815165), (9, 21210110), (10, 19089099), (15, 12726066), (18, 10605055), (30, 6363033), (45, 4242022), (90, 2121011)]