219636040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{422377}}^1$

素因数の和:422401

約数の個数: 32

約数和(自身を含む): 532196280

約数和(自身を除く): 312560240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 422377, 844754, 1689508, 2111885, 3379016, 4223770, 5490901, 8447540, 10981802, 16895080, 21963604, 27454505, 43927208, 54909010, 109818020, 219636040]

約数ペア:

[(1, 219636040), (2, 109818020), (4, 54909010), (5, 43927208), (8, 27454505), (10, 21963604), (13, 16895080), (20, 10981802), (26, 8447540), (40, 5490901), (52, 4223770), (65, 3379016), (104, 2111885), (130, 1689508), (260, 844754), (520, 422377)]