1840720672

素因数分解:

$2^5\times 7^2\times {\mathrm{397}}^1\times {\mathrm{2957}}^1$

素因数の和:3378

約数の個数: 72

約数和(自身を含む): 4227626844

約数和(自身を除く): 2386906172

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 397, 784, 794, 1568, 1588, 2779, 2957, 3176, 5558, 5914, 6352, 11116, 11828, 12704, 19453, 20699, 22232, 23656, 38906, 41398, 44464, 47312, 77812, 82796, 88928, 94624, 144893, 155624, 165592, 289786, 311248, 331184, 579572, 622496, 662368, 1159144, 1173929, 2318288, 2347858, 4636576, 4695716, 8217503, 9391432, 16435006, 18782864, 32870012, 37565728, 57522521, 65740024, 115045042, 131480048, 230090084, 262960096, 460180168, 920360336, 1840720672]

約数ペア:

[(1, 1840720672), (2, 920360336), (4, 460180168), (7, 262960096), (8, 230090084), (14, 131480048), (16, 115045042), (28, 65740024), (32, 57522521), (49, 37565728), (56, 32870012), (98, 18782864), (112, 16435006), (196, 9391432), (224, 8217503), (392, 4695716), (397, 4636576), (784, 2347858), (794, 2318288), (1568, 1173929), (1588, 1159144), (2779, 662368), (2957, 622496), (3176, 579572), (5558, 331184), (5914, 311248), (6352, 289786), (11116, 165592), (11828, 155624), (12704, 144893), (19453, 94624), (20699, 88928), (22232, 82796), (23656, 77812), (38906, 47312), (41398, 44464)]