209729410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4363}}^1$

素因数の和:4423

約数の個数: 64

約数和(自身を含む): 452459520

約数和(自身を除く): 242730110

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 437, 506, 874, 1045, 1265, 2090, 2185, 2530, 4363, 4370, 4807, 8726, 9614, 21815, 24035, 43630, 47993, 48070, 82897, 95986, 100349, 165794, 200698, 239965, 414485, 479930, 501745, 828970, 911867, 1003490, 1103839, 1823734, 1906631, 2207678, 3813262, 4559335, 5519195, 9118670, 9533155, 11038390, 19066310, 20972941, 41945882, 104864705, 209729410]

約数ペア:

[(1, 209729410), (2, 104864705), (5, 41945882), (10, 20972941), (11, 19066310), (19, 11038390), (22, 9533155), (23, 9118670), (38, 5519195), (46, 4559335), (55, 3813262), (95, 2207678), (110, 1906631), (115, 1823734), (190, 1103839), (209, 1003490), (230, 911867), (253, 828970), (418, 501745), (437, 479930), (506, 414485), (874, 239965), (1045, 200698), (1265, 165794), (2090, 100349), (2185, 95986), (2530, 82897), (4363, 48070), (4370, 47993), (4807, 43630), (8726, 24035), (9614, 21815)]