203555408

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1337

約数の個数: 80

約数和(自身を含む): 476160000

約数和(自身を除く): 272604592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 343, 392, 406, 464, 686, 784, 812, 1279, 1372, 1421, 1624, 2558, 2744, 2842, 3248, 5116, 5488, 5684, 8953, 9947, 10232, 11368, 17906, 19894, 20464, 22736, 35812, 37091, 39788, 62671, 71624, 74182, 79576, 125342, 143248, 148364, 159152, 250684, 259637, 296728, 438697, 501368, 519274, 593456, 877394, 1002736, 1038548, 1754788, 1817459, 2077096, 3509576, 3634918, 4154192, 7019152, 7269836, 12722213, 14539672, 25444426, 29079344, 50888852, 101777704, 203555408]

約数ペア:

[(1, 203555408), (2, 101777704), (4, 50888852), (7, 29079344), (8, 25444426), (14, 14539672), (16, 12722213), (28, 7269836), (29, 7019152), (49, 4154192), (56, 3634918), (58, 3509576), (98, 2077096), (112, 1817459), (116, 1754788), (196, 1038548), (203, 1002736), (232, 877394), (343, 593456), (392, 519274), (406, 501368), (464, 438697), (686, 296728), (784, 259637), (812, 250684), (1279, 159152), (1372, 148364), (1421, 143248), (1624, 125342), (2558, 79576), (2744, 74182), (2842, 71624), (3248, 62671), (5116, 39788), (5488, 37091), (5684, 35812), (8953, 22736), (9947, 20464), (10232, 19894), (11368, 17906)]