1900548980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{80737}}^1$

素因数の和:80864

約数の個数: 48

約数和(自身を含む): 4394730816

約数和(自身を除く): 2494181836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 4708, 5885, 11770, 23540, 80737, 161474, 322948, 403685, 807370, 888107, 1614740, 1776214, 3552428, 4440535, 8638859, 8881070, 17277718, 17762140, 34555436, 43194295, 86388590, 95027449, 172777180, 190054898, 380109796, 475137245, 950274490, 1900548980]

約数ペア:

[(1, 1900548980), (2, 950274490), (4, 475137245), (5, 380109796), (10, 190054898), (11, 172777180), (20, 95027449), (22, 86388590), (44, 43194295), (55, 34555436), (107, 17762140), (110, 17277718), (214, 8881070), (220, 8638859), (428, 4440535), (535, 3552428), (1070, 1776214), (1177, 1614740), (2140, 888107), (2354, 807370), (4708, 403685), (5885, 322948), (11770, 161474), (23540, 80737)]