201816140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{313}}^2$

素因数の和:738

約数の個数: 36

約数和(自身を含む): 429300144

約数和(自身を除く): 227484004

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 313, 412, 515, 626, 1030, 1252, 1565, 2060, 3130, 6260, 32239, 64478, 97969, 128956, 161195, 195938, 322390, 391876, 489845, 644780, 979690, 1959380, 10090807, 20181614, 40363228, 50454035, 100908070, 201816140]

約数ペア:

[(1, 201816140), (2, 100908070), (4, 50454035), (5, 40363228), (10, 20181614), (20, 10090807), (103, 1959380), (206, 979690), (313, 644780), (412, 489845), (515, 391876), (626, 322390), (1030, 195938), (1252, 161195), (1565, 128956), (2060, 97969), (3130, 64478), (6260, 32239)]