2085655180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647719}}^1$

素因数の和:647758

約数の個数: 48

約数和(自身を含む): 5223214080

約数和(自身を除く): 3137558900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 647719, 1295438, 2590876, 3238595, 4534033, 6477190, 9068066, 12954380, 14897537, 18136132, 22670165, 29795074, 45340330, 59590148, 74487685, 90680660, 104282759, 148975370, 208565518, 297950740, 417131036, 521413795, 1042827590, 2085655180]

約数ペア:

[(1, 2085655180), (2, 1042827590), (4, 521413795), (5, 417131036), (7, 297950740), (10, 208565518), (14, 148975370), (20, 104282759), (23, 90680660), (28, 74487685), (35, 59590148), (46, 45340330), (70, 29795074), (92, 22670165), (115, 18136132), (140, 14897537), (161, 12954380), (230, 9068066), (322, 6477190), (460, 4534033), (644, 3238595), (805, 2590876), (1610, 1295438), (3220, 647719)]