201318920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6829}}^1$

素因数の和:6918

約数の個数: 64

約数和(自身を含む): 501595200

約数和(自身を除く): 300276280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2948, 3685, 5896, 6829, 7370, 13658, 14740, 27316, 29480, 34145, 54632, 68290, 75119, 136580, 150238, 273160, 300476, 375595, 457543, 600952, 751190, 915086, 1502380, 1830172, 2287715, 3004760, 3660344, 4575430, 5032973, 9150860, 10065946, 18301720, 20131892, 25164865, 40263784, 50329730, 100659460, 201318920]

約数ペア:

[(1, 201318920), (2, 100659460), (4, 50329730), (5, 40263784), (8, 25164865), (10, 20131892), (11, 18301720), (20, 10065946), (22, 9150860), (40, 5032973), (44, 4575430), (55, 3660344), (67, 3004760), (88, 2287715), (110, 1830172), (134, 1502380), (220, 915086), (268, 751190), (335, 600952), (440, 457543), (536, 375595), (670, 300476), (737, 273160), (1340, 150238), (1474, 136580), (2680, 75119), (2948, 68290), (3685, 54632), (5896, 34145), (6829, 29480), (7370, 27316), (13658, 14740)]