338307520

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2663}}^1$

素因数の和:3077

約数の個数: 56

約数和(自身を含む): 807927264

約数和(自身を除く): 469619744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 794, 1588, 1985, 2663, 3176, 3970, 5326, 6352, 7940, 10652, 12704, 13315, 15880, 21304, 25408, 26630, 31760, 42608, 53260, 63520, 85216, 106520, 127040, 170432, 213040, 426080, 852160, 1057211, 2114422, 4228844, 5286055, 8457688, 10572110, 16915376, 21144220, 33830752, 42288440, 67661504, 84576880, 169153760, 338307520]

約数ペア:

[(1, 338307520), (2, 169153760), (4, 84576880), (5, 67661504), (8, 42288440), (10, 33830752), (16, 21144220), (20, 16915376), (32, 10572110), (40, 8457688), (64, 5286055), (80, 4228844), (160, 2114422), (320, 1057211), (397, 852160), (794, 426080), (1588, 213040), (1985, 170432), (2663, 127040), (3176, 106520), (3970, 85216), (5326, 63520), (6352, 53260), (7940, 42608), (10652, 31760), (12704, 26630), (13315, 25408), (15880, 21304)]