217932880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{247651}}^1$

素因数の和:247675

約数の個数: 40

約数和(自身を含む): 552759264

約数和(自身を除く): 334826384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 247651, 495302, 990604, 1238255, 1981208, 2476510, 2724161, 3962416, 4953020, 5448322, 9906040, 10896644, 13620805, 19812080, 21793288, 27241610, 43586576, 54483220, 108966440, 217932880]

約数ペア:

[(1, 217932880), (2, 108966440), (4, 54483220), (5, 43586576), (8, 27241610), (10, 21793288), (11, 19812080), (16, 13620805), (20, 10896644), (22, 9906040), (40, 5448322), (44, 4953020), (55, 3962416), (80, 2724161), (88, 2476510), (110, 1981208), (176, 1238255), (220, 990604), (440, 495302), (880, 247651)]