228378020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{878377}}^1$

素因数の和:878399

約数の個数: 24

約数和(自身を含む): 516486264

約数和(自身を除く): 288108244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 878377, 1756754, 3513508, 4391885, 8783770, 11418901, 17567540, 22837802, 45675604, 57094505, 114189010, 228378020]

約数ペア:

[(1, 228378020), (2, 114189010), (4, 57094505), (5, 45675604), (10, 22837802), (13, 17567540), (20, 11418901), (26, 8783770), (52, 4391885), (65, 3513508), (130, 1756754), (260, 878377)]