199980110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{4049}}^1$

素因数の和:4516

約数の個数: 32

約数和(自身を含む): 393660000

約数和(自身を除く): 193679890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 449, 898, 2245, 4049, 4490, 4939, 8098, 9878, 20245, 24695, 40490, 44539, 49390, 89078, 222695, 445390, 1818001, 3636002, 9090005, 18180010, 19998011, 39996022, 99990055, 199980110]

約数ペア:

[(1, 199980110), (2, 99990055), (5, 39996022), (10, 19998011), (11, 18180010), (22, 9090005), (55, 3636002), (110, 1818001), (449, 445390), (898, 222695), (2245, 89078), (4049, 49390), (4490, 44539), (4939, 40490), (8098, 24695), (9878, 20245)]