7841020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 18597600

約数和(自身を除く): 10756580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1229, 1276, 1595, 2458, 3190, 4916, 6145, 6380, 12290, 13519, 24580, 27038, 35641, 54076, 67595, 71282, 135190, 142564, 178205, 270380, 356410, 392051, 712820, 784102, 1568204, 1960255, 3920510, 7841020]

約数ペア:

[(1, 7841020), (2, 3920510), (4, 1960255), (5, 1568204), (10, 784102), (11, 712820), (20, 392051), (22, 356410), (29, 270380), (44, 178205), (55, 142564), (58, 135190), (110, 71282), (116, 67595), (145, 54076), (220, 35641), (290, 27038), (319, 24580), (580, 13519), (638, 12290), (1229, 6380), (1276, 6145), (1595, 4916), (2458, 3190)]