12784700

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:926

約数の個数: 36

約数和(自身を含む): 27940920

約数和(自身を除く): 15156220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 346, 692, 739, 865, 1478, 1730, 2956, 3460, 3695, 4325, 7390, 8650, 14780, 17300, 18475, 36950, 73900, 127847, 255694, 511388, 639235, 1278470, 2556940, 3196175, 6392350, 12784700]

約数ペア:

[(1, 12784700), (2, 6392350), (4, 3196175), (5, 2556940), (10, 1278470), (20, 639235), (25, 511388), (50, 255694), (100, 127847), (173, 73900), (346, 36950), (692, 18475), (739, 17300), (865, 14780), (1478, 8650), (1730, 7390), (2956, 4325), (3460, 3695)]