320401664

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{113779}}^1$

素因数の和:113806

約数の個数: 36

約数和(自身を含む): 697698960

約数和(自身を除く): 377297296

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 113779, 227558, 455116, 910232, 1251569, 1820464, 2503138, 3640928, 5006276, 7281856, 10012552, 14563712, 20025104, 29127424, 40050208, 80100416, 160200832, 320401664]

約数ペア:

[(1, 320401664), (2, 160200832), (4, 80100416), (8, 40050208), (11, 29127424), (16, 20025104), (22, 14563712), (32, 10012552), (44, 7281856), (64, 5006276), (88, 3640928), (128, 2503138), (176, 1820464), (256, 1251569), (352, 910232), (704, 455116), (1408, 227558), (2816, 113779)]