131387080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{298607}}^1$

素因数の和:298629

約数の個数: 32

約数和(自身を含む): 322496640

約数和(自身を除く): 191109560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 298607, 597214, 1194428, 1493035, 2388856, 2986070, 3284677, 5972140, 6569354, 11944280, 13138708, 16423385, 26277416, 32846770, 65693540, 131387080]

約数ペア:

[(1, 131387080), (2, 65693540), (4, 32846770), (5, 26277416), (8, 16423385), (10, 13138708), (11, 11944280), (20, 6569354), (22, 5972140), (40, 3284677), (44, 2986070), (55, 2388856), (88, 1493035), (110, 1194428), (220, 597214), (440, 298607)]