454680280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{264349}}^1$

素因数の和:264403

約数の個数: 32

約数和(自身を含む): 1046826000

約数和(自身を除く): 592145720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 264349, 528698, 1057396, 1321745, 2114792, 2643490, 5286980, 10573960, 11367007, 22734014, 45468028, 56835035, 90936056, 113670070, 227340140, 454680280]

約数ペア:

[(1, 454680280), (2, 227340140), (4, 113670070), (5, 90936056), (8, 56835035), (10, 45468028), (20, 22734014), (40, 11367007), (43, 10573960), (86, 5286980), (172, 2643490), (215, 2114792), (344, 1321745), (430, 1057396), (860, 528698), (1720, 264349)]