30456580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19777}}^1$

素因数の和:19804

約数の個数: 48

約数和(自身を含む): 79744896

約数和(自身を除く): 49288316

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, 19777, 39554, 79108, 98885, 138439, 197770, 217547, 276878, 395540, 435094, 553756, 692195, 870188, 1087735, 1384390, 1522829, 2175470, 2768780, 3045658, 4350940, 6091316, 7614145, 15228290, 30456580]

約数ペア:

[(1, 30456580), (2, 15228290), (4, 7614145), (5, 6091316), (7, 4350940), (10, 3045658), (11, 2768780), (14, 2175470), (20, 1522829), (22, 1384390), (28, 1087735), (35, 870188), (44, 692195), (55, 553756), (70, 435094), (77, 395540), (110, 276878), (140, 217547), (154, 197770), (220, 138439), (308, 98885), (385, 79108), (770, 39554), (1540, 19777)]