2019459740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{9137}}^1$

素因数の和:9446

約数の個数: 48

約数和(自身を含む): 4356852192

約数和(自身を除く): 2337392452

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 257, 430, 514, 860, 1028, 1285, 2570, 5140, 9137, 11051, 18274, 22102, 36548, 44204, 45685, 55255, 91370, 110510, 182740, 221020, 392891, 785782, 1571564, 1964455, 2348209, 3928910, 4696418, 7857820, 9392836, 11741045, 23482090, 46964180, 100972987, 201945974, 403891948, 504864935, 1009729870, 2019459740]

約数ペア:

[(1, 2019459740), (2, 1009729870), (4, 504864935), (5, 403891948), (10, 201945974), (20, 100972987), (43, 46964180), (86, 23482090), (172, 11741045), (215, 9392836), (257, 7857820), (430, 4696418), (514, 3928910), (860, 2348209), (1028, 1964455), (1285, 1571564), (2570, 785782), (5140, 392891), (9137, 221020), (11051, 182740), (18274, 110510), (22102, 91370), (36548, 55255), (44204, 45685)]