53987780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3187}}^1$

素因数の和:3225

約数の個数: 72

約数和(自身を含む): 142465344

約数和(自身を除く): 88477564

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3187, 3388, 4235, 6374, 8470, 12748, 15935, 16940, 22309, 31870, 35057, 44618, 63740, 70114, 89236, 111545, 140228, 175285, 223090, 245399, 350570, 385627, 446180, 490798, 701140, 771254, 981596, 1226995, 1542508, 1928135, 2453990, 2699389, 3856270, 4907980, 5398778, 7712540, 10797556, 13496945, 26993890, 53987780]

約数ペア:

[(1, 53987780), (2, 26993890), (4, 13496945), (5, 10797556), (7, 7712540), (10, 5398778), (11, 4907980), (14, 3856270), (20, 2699389), (22, 2453990), (28, 1928135), (35, 1542508), (44, 1226995), (55, 981596), (70, 771254), (77, 701140), (110, 490798), (121, 446180), (140, 385627), (154, 350570), (220, 245399), (242, 223090), (308, 175285), (385, 140228), (484, 111545), (605, 89236), (770, 70114), (847, 63740), (1210, 44618), (1540, 35057), (1694, 31870), (2420, 22309), (3187, 16940), (3388, 15935), (4235, 12748), (6374, 8470)]