78646820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2411}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 189641088

約数和(自身を除く): 110994268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1631, 2330, 2411, 3262, 4660, 4822, 6524, 8155, 9644, 12055, 16310, 16877, 24110, 32620, 33754, 48220, 67508, 84385, 168770, 337540, 561763, 1123526, 2247052, 2808815, 3932341, 5617630, 7864682, 11235260, 15729364, 19661705, 39323410, 78646820]

約数ペア:

[(1, 78646820), (2, 39323410), (4, 19661705), (5, 15729364), (7, 11235260), (10, 7864682), (14, 5617630), (20, 3932341), (28, 2808815), (35, 2247052), (70, 1123526), (140, 561763), (233, 337540), (466, 168770), (932, 84385), (1165, 67508), (1631, 48220), (2330, 33754), (2411, 32620), (3262, 24110), (4660, 16877), (4822, 16310), (6524, 12055), (8155, 9644)]