147656240

素因数分解:

$2^4\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1949}}^1$

素因数の和:2909

約数の個数: 40

約数和(自身を含む): 343839600

約数和(自身を除く): 196183360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 947, 1894, 1949, 3788, 3898, 4735, 7576, 7796, 9470, 9745, 15152, 15592, 18940, 19490, 31184, 37880, 38980, 75760, 77960, 155920, 1845703, 3691406, 7382812, 9228515, 14765624, 18457030, 29531248, 36914060, 73828120, 147656240]

約数ペア:

[(1, 147656240), (2, 73828120), (4, 36914060), (5, 29531248), (8, 18457030), (10, 14765624), (16, 9228515), (20, 7382812), (40, 3691406), (80, 1845703), (947, 155920), (1894, 77960), (1949, 75760), (3788, 38980), (3898, 37880), (4735, 31184), (7576, 19490), (7796, 18940), (9470, 15592), (9745, 15152)]