72263060

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{193}}^2$

素因数の和:492

約数の個数: 36

約数和(自身を含む): 154115388

約数和(自身を除く): 81852328

約数列:

[1, 2, 4, 5, 10, 20, 97, 193, 194, 386, 388, 485, 772, 965, 970, 1930, 1940, 3860, 18721, 37249, 37442, 74498, 74884, 93605, 148996, 186245, 187210, 372490, 374420, 744980, 3613153, 7226306, 14452612, 18065765, 36131530, 72263060]

約数ペア:

[(1, 72263060), (2, 36131530), (4, 18065765), (5, 14452612), (10, 7226306), (20, 3613153), (97, 744980), (193, 374420), (194, 372490), (386, 187210), (388, 186245), (485, 148996), (772, 93605), (965, 74884), (970, 74498), (1930, 37442), (1940, 37249), (3860, 18721)]