68135980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{977}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 156746016

約数和(自身を除く): 88610036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 317, 634, 977, 1268, 1585, 1954, 3170, 3487, 3908, 4885, 6340, 6974, 9770, 10747, 13948, 17435, 19540, 21494, 34870, 42988, 53735, 69740, 107470, 214940, 309709, 619418, 1238836, 1548545, 3097090, 3406799, 6194180, 6813598, 13627196, 17033995, 34067990, 68135980]

約数ペア:

[(1, 68135980), (2, 34067990), (4, 17033995), (5, 13627196), (10, 6813598), (11, 6194180), (20, 3406799), (22, 3097090), (44, 1548545), (55, 1238836), (110, 619418), (220, 309709), (317, 214940), (634, 107470), (977, 69740), (1268, 53735), (1585, 42988), (1954, 34870), (3170, 21494), (3487, 19540), (3908, 17435), (4885, 13948), (6340, 10747), (6974, 9770)]