424780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 908208

約数和(自身を除く): 483428

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 317, 335, 634, 670, 1268, 1340, 1585, 3170, 6340, 21239, 42478, 84956, 106195, 212390, 424780]

約数ペア:

[(1, 424780), (2, 212390), (4, 106195), (5, 84956), (10, 42478), (20, 21239), (67, 6340), (134, 3170), (268, 1585), (317, 1340), (335, 1268), (634, 670)]