286880020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2049143}}^1$

素因数の和:2049159

約数の個数: 24

約数和(自身を含む): 688512384

約数和(自身を除く): 401632364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2049143, 4098286, 8196572, 10245715, 14344001, 20491430, 28688002, 40982860, 57376004, 71720005, 143440010, 286880020]

約数ペア:

[(1, 286880020), (2, 143440010), (4, 71720005), (5, 57376004), (7, 40982860), (10, 28688002), (14, 20491430), (20, 14344001), (28, 10245715), (35, 8196572), (70, 4098286), (140, 2049143)]