213714380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{971429}}^1$

素因数の和:971449

約数の個数: 24

約数和(自身を含む): 489600720

約数和(自身を除く): 275886340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 971429, 1942858, 3885716, 4857145, 9714290, 10685719, 19428580, 21371438, 42742876, 53428595, 106857190, 213714380]

約数ペア:

[(1, 213714380), (2, 106857190), (4, 53428595), (5, 42742876), (10, 21371438), (11, 19428580), (20, 10685719), (22, 9714290), (44, 4857145), (55, 3885716), (110, 1942858), (220, 971429)]