2188880260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{112481}}^1$

素因数の和:112636

約数の個数: 48

約数和(自身を含む): 5291153280

約数和(自身を除く): 3102273020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 112481, 224962, 449924, 562405, 787367, 1124810, 1574734, 2249620, 3149468, 3936835, 7873670, 15634859, 15747340, 31269718, 62539436, 78174295, 109444013, 156348590, 218888026, 312697180, 437776052, 547220065, 1094440130, 2188880260]

約数ペア:

[(1, 2188880260), (2, 1094440130), (4, 547220065), (5, 437776052), (7, 312697180), (10, 218888026), (14, 156348590), (20, 109444013), (28, 78174295), (35, 62539436), (70, 31269718), (139, 15747340), (140, 15634859), (278, 7873670), (556, 3936835), (695, 3149468), (973, 2249620), (1390, 1574734), (1946, 1124810), (2780, 787367), (3892, 562405), (4865, 449924), (9730, 224962), (19460, 112481)]