138552460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{839}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 304819200

約数和(自身を除く): 166266740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 359, 460, 718, 839, 1436, 1678, 1795, 3356, 3590, 4195, 7180, 8257, 8390, 16514, 16780, 19297, 33028, 38594, 41285, 77188, 82570, 96485, 165140, 192970, 301201, 385940, 602402, 1204804, 1506005, 3012010, 6024020, 6927623, 13855246, 27710492, 34638115, 69276230, 138552460]

約数ペア:

[(1, 138552460), (2, 69276230), (4, 34638115), (5, 27710492), (10, 13855246), (20, 6927623), (23, 6024020), (46, 3012010), (92, 1506005), (115, 1204804), (230, 602402), (359, 385940), (460, 301201), (718, 192970), (839, 165140), (1436, 96485), (1678, 82570), (1795, 77188), (3356, 41285), (3590, 38594), (4195, 33028), (7180, 19297), (8257, 16780), (8390, 16514)]