128962820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{8609}}^1$

素因数の和:8732

約数の個数: 48

約数和(自身を含む): 312439680

約数和(自身を除く): 183476860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 8609, 14980, 17218, 34436, 43045, 60263, 86090, 120526, 172180, 241052, 301315, 602630, 921163, 1205260, 1842326, 3684652, 4605815, 6448141, 9211630, 12896282, 18423260, 25792564, 32240705, 64481410, 128962820]

約数ペア:

[(1, 128962820), (2, 64481410), (4, 32240705), (5, 25792564), (7, 18423260), (10, 12896282), (14, 9211630), (20, 6448141), (28, 4605815), (35, 3684652), (70, 1842326), (107, 1205260), (140, 921163), (214, 602630), (428, 301315), (535, 241052), (749, 172180), (1070, 120526), (1498, 86090), (2140, 60263), (2996, 43045), (3745, 34436), (7490, 17218), (8609, 14980)]