1243860740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{64717}}^1$

素因数の和:64788

約数の個数: 36

約数和(自身を含む): 2699128908

約数和(自身を除く): 1455268168

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 19220, 64717, 129434, 258868, 323585, 647170, 1294340, 2006227, 4012454, 8024908, 10031135, 20062270, 40124540, 62193037, 124386074, 248772148, 310965185, 621930370, 1243860740]

約数ペア:

[(1, 1243860740), (2, 621930370), (4, 310965185), (5, 248772148), (10, 124386074), (20, 62193037), (31, 40124540), (62, 20062270), (124, 10031135), (155, 8024908), (310, 4012454), (620, 2006227), (961, 1294340), (1922, 647170), (3844, 323585), (4805, 258868), (9610, 129434), (19220, 64717)]