290431130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71359}}^1$

素因数の和:71414

約数の個数: 32

約数和(自身を含む): 585722880

約数和(自身を除く): 295291750

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 71359, 142718, 356795, 713590, 784949, 1569898, 2640283, 3924745, 5280566, 7849490, 13201415, 26402830, 29043113, 58086226, 145215565, 290431130]

約数ペア:

[(1, 290431130), (2, 145215565), (5, 58086226), (10, 29043113), (11, 26402830), (22, 13201415), (37, 7849490), (55, 5280566), (74, 3924745), (110, 2640283), (185, 1569898), (370, 784949), (407, 713590), (814, 356795), (2035, 142718), (4070, 71359)]