12162220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 29494080

約数和(自身を除く): 17331860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 797, 1090, 1526, 1594, 2180, 3052, 3188, 3815, 3985, 5579, 7630, 7970, 11158, 15260, 15940, 22316, 27895, 55790, 86873, 111580, 173746, 347492, 434365, 608111, 868730, 1216222, 1737460, 2432444, 3040555, 6081110, 12162220]

約数ペア:

[(1, 12162220), (2, 6081110), (4, 3040555), (5, 2432444), (7, 1737460), (10, 1216222), (14, 868730), (20, 608111), (28, 434365), (35, 347492), (70, 173746), (109, 111580), (140, 86873), (218, 55790), (436, 27895), (545, 22316), (763, 15940), (797, 15260), (1090, 11158), (1526, 7970), (1594, 7630), (2180, 5579), (3052, 3985), (3188, 3815)]