54517540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35401}}^1$

素因数の和:35428

約数の個数: 48

約数和(自身を含む): 142740864

約数和(自身を除く): 88223324

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 35401, 70802, 141604, 177005, 247807, 354010, 389411, 495614, 708020, 778822, 991228, 1239035, 1557644, 1947055, 2478070, 2725877, 3894110, 4956140, 5451754, 7788220, 10903508, 13629385, 27258770, 54517540]

約数ペア:

[(1, 54517540), (2, 27258770), (4, 13629385), (5, 10903508), (7, 7788220), (10, 5451754), (11, 4956140), (14, 3894110), (20, 2725877), (22, 2478070), (28, 1947055), (35, 1557644), (44, 1239035), (55, 991228), (70, 778822), (77, 708020), (110, 495614), (140, 389411), (154, 354010), (220, 247807), (308, 177005), (385, 141604), (770, 70802), (1540, 35401)]