2802140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 6580224

約数和(自身を除く): 3778084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 271, 470, 517, 542, 940, 1034, 1084, 1355, 2068, 2585, 2710, 2981, 5170, 5420, 5962, 10340, 11924, 12737, 14905, 25474, 29810, 50948, 59620, 63685, 127370, 140107, 254740, 280214, 560428, 700535, 1401070, 2802140]

約数ペア:

[(1, 2802140), (2, 1401070), (4, 700535), (5, 560428), (10, 280214), (11, 254740), (20, 140107), (22, 127370), (44, 63685), (47, 59620), (55, 50948), (94, 29810), (110, 25474), (188, 14905), (220, 12737), (235, 11924), (271, 10340), (470, 5962), (517, 5420), (542, 5170), (940, 2981), (1034, 2710), (1084, 2585), (1355, 2068)]