197609390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{4001}}^1$

素因数の和:4468

約数の個数: 32

約数和(自身を含む): 388994400

約数和(自身を除く): 191385010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 449, 898, 2245, 4001, 4490, 4939, 8002, 9878, 20005, 24695, 40010, 44011, 49390, 88022, 220055, 440110, 1796449, 3592898, 8982245, 17964490, 19760939, 39521878, 98804695, 197609390]

約数ペア:

[(1, 197609390), (2, 98804695), (5, 39521878), (10, 19760939), (11, 17964490), (22, 8982245), (55, 3592898), (110, 1796449), (449, 440110), (898, 220055), (2245, 88022), (4001, 49390), (4490, 44011), (4939, 40010), (8002, 24695), (9878, 20005)]