1405880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5021}}^1$

素因数の和:5039

約数の個数: 32

約数和(自身を含む): 3615840

約数和(自身を除く): 2209960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5021, 10042, 20084, 25105, 35147, 40168, 50210, 70294, 100420, 140588, 175735, 200840, 281176, 351470, 702940, 1405880]

約数ペア:

[(1, 1405880), (2, 702940), (4, 351470), (5, 281176), (7, 200840), (8, 175735), (10, 140588), (14, 100420), (20, 70294), (28, 50210), (35, 40168), (40, 35147), (56, 25105), (70, 20084), (140, 10042), (280, 5021)]