28312620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67411}}^1$

素因数の和:67430

約数の個数: 48

約数和(自身を含む): 90601728

約数和(自身を除く): 62289108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67411, 134822, 202233, 269644, 337055, 404466, 471877, 674110, 808932, 943754, 1011165, 1348220, 1415631, 1887508, 2022330, 2359385, 2831262, 4044660, 4718770, 5662524, 7078155, 9437540, 14156310, 28312620]

約数ペア:

[(1, 28312620), (2, 14156310), (3, 9437540), (4, 7078155), (5, 5662524), (6, 4718770), (7, 4044660), (10, 2831262), (12, 2359385), (14, 2022330), (15, 1887508), (20, 1415631), (21, 1348220), (28, 1011165), (30, 943754), (35, 808932), (42, 674110), (60, 471877), (70, 404466), (84, 337055), (105, 269644), (140, 202233), (210, 134822), (420, 67411)]