104880020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{749143}}^1$

素因数の和:749159

約数の個数: 24

約数和(自身を含む): 251712384

約数和(自身を除く): 146832364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 749143, 1498286, 2996572, 3745715, 5244001, 7491430, 10488002, 14982860, 20976004, 26220005, 52440010, 104880020]

約数ペア:

[(1, 104880020), (2, 52440010), (4, 26220005), (5, 20976004), (7, 14982860), (10, 10488002), (14, 7491430), (20, 5244001), (28, 3745715), (35, 2996572), (70, 1498286), (140, 749143)]