239203880

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{15373}}^1$

素因数の和:15773

約数の個数: 32

約数和(自身を含む): 539627400

約数和(自身を除く): 300423520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15373, 15560, 30746, 61492, 76865, 122984, 153730, 307460, 614920, 5980097, 11960194, 23920388, 29900485, 47840776, 59800970, 119601940, 239203880]

約数ペア:

[(1, 239203880), (2, 119601940), (4, 59800970), (5, 47840776), (8, 29900485), (10, 23920388), (20, 11960194), (40, 5980097), (389, 614920), (778, 307460), (1556, 153730), (1945, 122984), (3112, 76865), (3890, 61492), (7780, 30746), (15373, 15560)]