331322920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{116663}}^1$

素因数の和:116745

約数の個数: 32

約数和(自身を含む): 755982720

約数和(自身を除く): 424659800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 116663, 233326, 466652, 583315, 933304, 1166630, 2333260, 4666520, 8283073, 16566146, 33132292, 41415365, 66264584, 82830730, 165661460, 331322920]

約数ペア:

[(1, 331322920), (2, 165661460), (4, 82830730), (5, 66264584), (8, 41415365), (10, 33132292), (20, 16566146), (40, 8283073), (71, 4666520), (142, 2333260), (284, 1166630), (355, 933304), (568, 583315), (710, 466652), (1420, 233326), (2840, 116663)]