12820222660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9461}}^1\times {\mathrm{9679}}^1$

素因数の和:19156

約数の個数: 48

約数和(自身を含む): 30774965760

約数和(自身を除く): 17954743100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9461, 9679, 18922, 19358, 37844, 38716, 47305, 48395, 66227, 67753, 94610, 96790, 132454, 135506, 189220, 193580, 264908, 271012, 331135, 338765, 662270, 677530, 1324540, 1355060, 91573019, 183146038, 366292076, 457865095, 641011133, 915730190, 1282022266, 1831460380, 2564044532, 3205055665, 6410111330, 12820222660]

約数ペア:

[(1, 12820222660), (2, 6410111330), (4, 3205055665), (5, 2564044532), (7, 1831460380), (10, 1282022266), (14, 915730190), (20, 641011133), (28, 457865095), (35, 366292076), (70, 183146038), (140, 91573019), (9461, 1355060), (9679, 1324540), (18922, 677530), (19358, 662270), (37844, 338765), (38716, 331135), (47305, 271012), (48395, 264908), (66227, 193580), (67753, 189220), (94610, 135506), (96790, 132454)]