79838780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1171}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 192170496

約数和(自身を除く): 112331716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1171, 1948, 2342, 2435, 3409, 4684, 4870, 5855, 6818, 8197, 9740, 11710, 13636, 16394, 17045, 23420, 32788, 34090, 40985, 68180, 81970, 163940, 570277, 1140554, 2281108, 2851385, 3991939, 5702770, 7983878, 11405540, 15967756, 19959695, 39919390, 79838780]

約数ペア:

[(1, 79838780), (2, 39919390), (4, 19959695), (5, 15967756), (7, 11405540), (10, 7983878), (14, 5702770), (20, 3991939), (28, 2851385), (35, 2281108), (70, 1140554), (140, 570277), (487, 163940), (974, 81970), (1171, 68180), (1948, 40985), (2342, 34090), (2435, 32788), (3409, 23420), (4684, 17045), (4870, 16394), (5855, 13636), (6818, 11710), (8197, 9740)]