291009620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{15937}}^1$

素因数の和:16040

約数の個数: 48

約数和(自身を含む): 674751168

約数和(自身を除く): 383741548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4565, 9130, 15937, 18260, 31874, 63748, 79685, 159370, 175307, 318740, 350614, 701228, 876535, 1322771, 1753070, 2645542, 3506140, 5291084, 6613855, 13227710, 14550481, 26455420, 29100962, 58201924, 72752405, 145504810, 291009620]

約数ペア:

[(1, 291009620), (2, 145504810), (4, 72752405), (5, 58201924), (10, 29100962), (11, 26455420), (20, 14550481), (22, 13227710), (44, 6613855), (55, 5291084), (83, 3506140), (110, 2645542), (166, 1753070), (220, 1322771), (332, 876535), (415, 701228), (830, 350614), (913, 318740), (1660, 175307), (1826, 159370), (3652, 79685), (4565, 63748), (9130, 31874), (15937, 18260)]