201809080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{1361}}^1$

素因数の和:1720

約数の個数: 64

約数和(自身を含む): 497184480

約数和(自身を除く): 295375400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 337, 440, 674, 1348, 1361, 1685, 2696, 2722, 3370, 3707, 5444, 6740, 6805, 7414, 10888, 13480, 13610, 14828, 14971, 18535, 27220, 29656, 29942, 37070, 54440, 59884, 74140, 74855, 119768, 148280, 149710, 299420, 458657, 598840, 917314, 1834628, 2293285, 3669256, 4586570, 5045227, 9173140, 10090454, 18346280, 20180908, 25226135, 40361816, 50452270, 100904540, 201809080]

約数ペア:

[(1, 201809080), (2, 100904540), (4, 50452270), (5, 40361816), (8, 25226135), (10, 20180908), (11, 18346280), (20, 10090454), (22, 9173140), (40, 5045227), (44, 4586570), (55, 3669256), (88, 2293285), (110, 1834628), (220, 917314), (337, 598840), (440, 458657), (674, 299420), (1348, 149710), (1361, 148280), (1685, 119768), (2696, 74855), (2722, 74140), (3370, 59884), (3707, 54440), (5444, 37070), (6740, 29942), (6805, 29656), (7414, 27220), (10888, 18535), (13480, 14971), (13610, 14828)]