2531540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 5975424

約数和(自身を除く): 3443884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 311, 370, 407, 622, 740, 814, 1244, 1555, 1628, 2035, 3110, 3421, 4070, 6220, 6842, 8140, 11507, 13684, 17105, 23014, 34210, 46028, 57535, 68420, 115070, 126577, 230140, 253154, 506308, 632885, 1265770, 2531540]

約数ペア:

[(1, 2531540), (2, 1265770), (4, 632885), (5, 506308), (10, 253154), (11, 230140), (20, 126577), (22, 115070), (37, 68420), (44, 57535), (55, 46028), (74, 34210), (110, 23014), (148, 17105), (185, 13684), (220, 11507), (311, 8140), (370, 6842), (407, 6220), (622, 4070), (740, 3421), (814, 3110), (1244, 2035), (1555, 1628)]