29969980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 67144896

約数和(自身を除く): 37174916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 487, 724, 905, 974, 1810, 1948, 2435, 3077, 3620, 4870, 6154, 8279, 9740, 12308, 15385, 16558, 30770, 33116, 41395, 61540, 82790, 88147, 165580, 176294, 352588, 440735, 881470, 1498499, 1762940, 2996998, 5993996, 7492495, 14984990, 29969980]

約数ペア:

[(1, 29969980), (2, 14984990), (4, 7492495), (5, 5993996), (10, 2996998), (17, 1762940), (20, 1498499), (34, 881470), (68, 440735), (85, 352588), (170, 176294), (181, 165580), (340, 88147), (362, 82790), (487, 61540), (724, 41395), (905, 33116), (974, 30770), (1810, 16558), (1948, 15385), (2435, 12308), (3077, 9740), (3620, 8279), (4870, 6154)]