7420210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 15489792

約数和(自身を除く): 8069582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 1493, 2485, 2986, 4970, 7465, 10451, 14930, 20902, 52255, 104510, 106003, 212006, 530015, 742021, 1060030, 1484042, 3710105, 7420210]

約数ペア:

[(1, 7420210), (2, 3710105), (5, 1484042), (7, 1060030), (10, 742021), (14, 530015), (35, 212006), (70, 106003), (71, 104510), (142, 52255), (355, 20902), (497, 14930), (710, 10451), (994, 7465), (1493, 4970), (2485, 2986)]