68716780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{312349}}^1$

素因数の和:312369

約数の個数: 24

約数和(自身を含む): 157424400

約数和(自身を除く): 88707620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 312349, 624698, 1249396, 1561745, 3123490, 3435839, 6246980, 6871678, 13743356, 17179195, 34358390, 68716780]

約数ペア:

[(1, 68716780), (2, 34358390), (4, 17179195), (5, 13743356), (10, 6871678), (11, 6246980), (20, 3435839), (22, 3123490), (44, 1561745), (55, 1249396), (110, 624698), (220, 312349)]