852179920

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{569}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 2015652240

約数和(自身を除く): 1163472320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 193, 194, 386, 388, 485, 569, 772, 776, 965, 970, 1138, 1544, 1552, 1930, 1940, 2276, 2845, 3088, 3860, 3880, 4552, 5690, 7720, 7760, 9104, 11380, 15440, 18721, 22760, 37442, 45520, 55193, 74884, 93605, 109817, 110386, 149768, 187210, 219634, 220772, 275965, 299536, 374420, 439268, 441544, 549085, 551930, 748840, 878536, 883088, 1098170, 1103860, 1497680, 1757072, 2196340, 2207720, 4392680, 4415440, 8785360, 10652249, 21304498, 42608996, 53261245, 85217992, 106522490, 170435984, 213044980, 426089960, 852179920]

約数ペア:

[(1, 852179920), (2, 426089960), (4, 213044980), (5, 170435984), (8, 106522490), (10, 85217992), (16, 53261245), (20, 42608996), (40, 21304498), (80, 10652249), (97, 8785360), (193, 4415440), (194, 4392680), (386, 2207720), (388, 2196340), (485, 1757072), (569, 1497680), (772, 1103860), (776, 1098170), (965, 883088), (970, 878536), (1138, 748840), (1544, 551930), (1552, 549085), (1930, 441544), (1940, 439268), (2276, 374420), (2845, 299536), (3088, 275965), (3860, 220772), (3880, 219634), (4552, 187210), (5690, 149768), (7720, 110386), (7760, 109817), (9104, 93605), (11380, 74884), (15440, 55193), (18721, 45520), (22760, 37442)]