2180364580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{278819}}^1$

素因数の和:278868

約数の個数: 48

約数和(自身を含む): 5058910080

約数和(自身を除く): 2878545500

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 278819, 557638, 1115276, 1394095, 2788190, 4739923, 5576380, 6412837, 9479846, 12825674, 18959692, 23699615, 25651348, 32064185, 47399230, 64128370, 94798460, 109018229, 128256740, 218036458, 436072916, 545091145, 1090182290, 2180364580]

約数ペア:

[(1, 2180364580), (2, 1090182290), (4, 545091145), (5, 436072916), (10, 218036458), (17, 128256740), (20, 109018229), (23, 94798460), (34, 64128370), (46, 47399230), (68, 32064185), (85, 25651348), (92, 23699615), (115, 18959692), (170, 12825674), (230, 9479846), (340, 6412837), (391, 5576380), (460, 4739923), (782, 2788190), (1564, 1394095), (1955, 1115276), (3910, 557638), (7820, 278819)]