311930410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149249}}^1$

素因数の和:149286

約数の個数: 32

約数和(自身を含む): 644760000

約数和(自身を除く): 332829590

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 149249, 298498, 746245, 1492490, 1641739, 2835731, 3283478, 5671462, 8208695, 14178655, 16417390, 28357310, 31193041, 62386082, 155965205, 311930410]

約数ペア:

[(1, 311930410), (2, 155965205), (5, 62386082), (10, 31193041), (11, 28357310), (19, 16417390), (22, 14178655), (38, 8208695), (55, 5671462), (95, 3283478), (110, 2835731), (190, 1641739), (209, 1492490), (418, 746245), (1045, 298498), (2090, 149249)]