221520652090

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{739}}^1\times {\mathrm{156941}}^1$

素因数の和:157878

約数の個数: 32

約数和(自身を含む): 401369748480

約数和(自身を除く): 179849096390

約数列:

[1, 2, 5, 10, 191, 382, 739, 955, 1478, 1910, 3695, 7390, 141149, 156941, 282298, 313882, 705745, 784705, 1411490, 1569410, 29975731, 59951462, 115979399, 149878655, 231958798, 299757310, 579896995, 1159793990, 22152065209, 44304130418, 110760326045, 221520652090]

約数ペア:

[(1, 221520652090), (2, 110760326045), (5, 44304130418), (10, 22152065209), (191, 1159793990), (382, 579896995), (739, 299757310), (955, 231958798), (1478, 149878655), (1910, 115979399), (3695, 59951462), (7390, 29975731), (141149, 1569410), (156941, 1411490), (282298, 784705), (313882, 705745)]