78368780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{559777}}^1$

素因数の和:559793

約数の個数: 24

約数和(自身を含む): 188085408

約数和(自身を除く): 109716628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 559777, 1119554, 2239108, 2798885, 3918439, 5597770, 7836878, 11195540, 15673756, 19592195, 39184390, 78368780]

約数ペア:

[(1, 78368780), (2, 39184390), (4, 19592195), (5, 15673756), (7, 11195540), (10, 7836878), (14, 5597770), (20, 3918439), (28, 2798885), (35, 2239108), (70, 1119554), (140, 559777)]