320410804

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{12479}}^1$

素因数の和:12628

約数の個数: 36

約数和(自身を含む): 657296640

約数和(自身を除く): 336885836

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1834, 3668, 6419, 12479, 12838, 24958, 25676, 49916, 87353, 174706, 349412, 611471, 1222942, 1634749, 2445884, 3269498, 6538996, 11443243, 22886486, 45772972, 80102701, 160205402, 320410804]

約数ペア:

[(1, 320410804), (2, 160205402), (4, 80102701), (7, 45772972), (14, 22886486), (28, 11443243), (49, 6538996), (98, 3269498), (131, 2445884), (196, 1634749), (262, 1222942), (524, 611471), (917, 349412), (1834, 174706), (3668, 87353), (6419, 49916), (12479, 25676), (12838, 24958)]