54043780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5437}}^1$

素因数の和:5524

約数の個数: 48

約数和(自身を含む): 131556096

約数和(自身を除く): 77512316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5437, 9940, 10874, 21748, 27185, 38059, 54370, 76118, 108740, 152236, 190295, 380590, 386027, 761180, 772054, 1544108, 1930135, 2702189, 3860270, 5404378, 7720540, 10808756, 13510945, 27021890, 54043780]

約数ペア:

[(1, 54043780), (2, 27021890), (4, 13510945), (5, 10808756), (7, 7720540), (10, 5404378), (14, 3860270), (20, 2702189), (28, 1930135), (35, 1544108), (70, 772054), (71, 761180), (140, 386027), (142, 380590), (284, 190295), (355, 152236), (497, 108740), (710, 76118), (994, 54370), (1420, 38059), (1988, 27185), (2485, 21748), (4970, 10874), (5437, 9940)]