55299020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{394993}}^1$

素因数の和:395009

約数の個数: 24

約数和(自身を含む): 132717984

約数和(自身を除く): 77418964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 394993, 789986, 1579972, 1974965, 2764951, 3949930, 5529902, 7899860, 11059804, 13824755, 27649510, 55299020]

約数ペア:

[(1, 55299020), (2, 27649510), (4, 13824755), (5, 11059804), (7, 7899860), (10, 5529902), (14, 3949930), (20, 2764951), (28, 1974965), (35, 1579972), (70, 789986), (140, 394993)]