123125180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{198589}}^1$

素因数の和:198629

約数の個数: 24

約数和(自身を含む): 266904960

約数和(自身を除く): 143779780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 198589, 397178, 794356, 992945, 1985890, 3971780, 6156259, 12312518, 24625036, 30781295, 61562590, 123125180]

約数ペア:

[(1, 123125180), (2, 61562590), (4, 30781295), (5, 24625036), (10, 12312518), (20, 6156259), (31, 3971780), (62, 1985890), (124, 992945), (155, 794356), (310, 397178), (620, 198589)]