1420760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3229}}^1$

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 3488400

約数和(自身を除く): 2067640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3229, 6458, 12916, 16145, 25832, 32290, 35519, 64580, 71038, 129160, 142076, 177595, 284152, 355190, 710380, 1420760]

約数ペア:

[(1, 1420760), (2, 710380), (4, 355190), (5, 284152), (8, 177595), (10, 142076), (11, 129160), (20, 71038), (22, 64580), (40, 35519), (44, 32290), (55, 25832), (88, 16145), (110, 12916), (220, 6458), (440, 3229)]