308565520

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{23663}}^1$

素因数の和:23839

約数の個数: 40

約数和(自身を含む): 721846656

約数和(自身を除く): 413281136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 23663, 47326, 94652, 118315, 189304, 236630, 378608, 473260, 946520, 1893040, 3857069, 7714138, 15428276, 19285345, 30856552, 38570690, 61713104, 77141380, 154282760, 308565520]

約数ペア:

[(1, 308565520), (2, 154282760), (4, 77141380), (5, 61713104), (8, 38570690), (10, 30856552), (16, 19285345), (20, 15428276), (40, 7714138), (80, 3857069), (163, 1893040), (326, 946520), (652, 473260), (815, 378608), (1304, 236630), (1630, 189304), (2608, 118315), (3260, 94652), (6520, 47326), (13040, 23663)]