320858468

素因数分解:

$2^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{3907}}^1$

素因数の和:4344

約数の個数: 36

約数和(自身を含む): 654902640

約数和(自身を除く): 334044172

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 419, 838, 1676, 2933, 3907, 5866, 7814, 11732, 15628, 20531, 27349, 41062, 54698, 82124, 109396, 191443, 382886, 765772, 1637033, 3274066, 6548132, 11459231, 22918462, 45836924, 80214617, 160429234, 320858468]

約数ペア:

[(1, 320858468), (2, 160429234), (4, 80214617), (7, 45836924), (14, 22918462), (28, 11459231), (49, 6548132), (98, 3274066), (196, 1637033), (419, 765772), (838, 382886), (1676, 191443), (2933, 109396), (3907, 82124), (5866, 54698), (7814, 41062), (11732, 27349), (15628, 20531)]