320510008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{440261}}^1$

素因数の和:440287

約数の個数: 32

約数和(自身を含む): 739640160

約数和(自身を除く): 419130152

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 440261, 880522, 1761044, 3081827, 3522088, 5723393, 6163654, 11446786, 12327308, 22893572, 24654616, 40063751, 45787144, 80127502, 160255004, 320510008]

約数ペア:

[(1, 320510008), (2, 160255004), (4, 80127502), (7, 45787144), (8, 40063751), (13, 24654616), (14, 22893572), (26, 12327308), (28, 11446786), (52, 6163654), (56, 5723393), (91, 3522088), (104, 3081827), (182, 1761044), (364, 880522), (728, 440261)]