2812784660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{207127}}^1$

素因数の和:207240

約数の個数: 48

約数和(自身を含む): 6820310784

約数和(自身を除く): 4007526124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 207127, 414254, 828508, 1035635, 1449889, 2071270, 2899778, 4142540, 5799556, 7249445, 14498890, 20091319, 28997780, 40182638, 80365276, 100456595, 140639233, 200913190, 281278466, 401826380, 562556932, 703196165, 1406392330, 2812784660]

約数ペア:

[(1, 2812784660), (2, 1406392330), (4, 703196165), (5, 562556932), (7, 401826380), (10, 281278466), (14, 200913190), (20, 140639233), (28, 100456595), (35, 80365276), (70, 40182638), (97, 28997780), (140, 20091319), (194, 14498890), (388, 7249445), (485, 5799556), (679, 4142540), (970, 2899778), (1358, 2071270), (1940, 1449889), (2716, 1035635), (3395, 828508), (6790, 414254), (13580, 207127)]