91509980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1487}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 204736896

約数和(自身を除く): 113226916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1487, 1810, 2974, 3077, 3620, 5948, 6154, 7435, 12308, 14870, 15385, 25279, 29740, 30770, 50558, 61540, 101116, 126395, 252790, 269147, 505580, 538294, 1076588, 1345735, 2691470, 4575499, 5382940, 9150998, 18301996, 22877495, 45754990, 91509980]

約数ペア:

[(1, 91509980), (2, 45754990), (4, 22877495), (5, 18301996), (10, 9150998), (17, 5382940), (20, 4575499), (34, 2691470), (68, 1345735), (85, 1076588), (170, 538294), (181, 505580), (340, 269147), (362, 252790), (724, 126395), (905, 101116), (1487, 61540), (1810, 50558), (2974, 30770), (3077, 29740), (3620, 25279), (5948, 15385), (6154, 14870), (7435, 12308)]