320896688

素因数分解:

$2^4\times 7^2\times {\mathrm{397}}^1\times {\mathrm{1031}}^1$

素因数の和:1450

約数の個数: 60

約数和(自身を含む): 725770512

約数和(自身を除く): 404873824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 397, 784, 794, 1031, 1588, 2062, 2779, 3176, 4124, 5558, 6352, 7217, 8248, 11116, 14434, 16496, 19453, 22232, 28868, 38906, 44464, 50519, 57736, 77812, 101038, 115472, 155624, 202076, 311248, 404152, 409307, 808304, 818614, 1637228, 2865149, 3274456, 5730298, 6548912, 11460596, 20056043, 22921192, 40112086, 45842384, 80224172, 160448344, 320896688]

約数ペア:

[(1, 320896688), (2, 160448344), (4, 80224172), (7, 45842384), (8, 40112086), (14, 22921192), (16, 20056043), (28, 11460596), (49, 6548912), (56, 5730298), (98, 3274456), (112, 2865149), (196, 1637228), (392, 818614), (397, 808304), (784, 409307), (794, 404152), (1031, 311248), (1588, 202076), (2062, 155624), (2779, 115472), (3176, 101038), (4124, 77812), (5558, 57736), (6352, 50519), (7217, 44464), (8248, 38906), (11116, 28868), (14434, 22232), (16496, 19453)]