123793880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{442121}}^1$

素因数の和:442139

約数の個数: 32

約数和(自身を含む): 318327840

約数和(自身を除く): 194533960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 442121, 884242, 1768484, 2210605, 3094847, 3536968, 4421210, 6189694, 8842420, 12379388, 15474235, 17684840, 24758776, 30948470, 61896940, 123793880]

約数ペア:

[(1, 123793880), (2, 61896940), (4, 30948470), (5, 24758776), (7, 17684840), (8, 15474235), (10, 12379388), (14, 8842420), (20, 6189694), (28, 4421210), (35, 3536968), (40, 3094847), (56, 2210605), (70, 1768484), (140, 884242), (280, 442121)]