268584920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{126691}}^1$

素因数の和:126755

約数の個数: 32

約数和(自身を含む): 615723120

約数和(自身を除く): 347138200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 126691, 253382, 506764, 633455, 1013528, 1266910, 2533820, 5067640, 6714623, 13429246, 26858492, 33573115, 53716984, 67146230, 134292460, 268584920]

約数ペア:

[(1, 268584920), (2, 134292460), (4, 67146230), (5, 53716984), (8, 33573115), (10, 26858492), (20, 13429246), (40, 6714623), (53, 5067640), (106, 2533820), (212, 1266910), (265, 1013528), (424, 633455), (530, 506764), (1060, 253382), (2120, 126691)]