1887007990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83459}}^1$

素因数の和:83509

約数の個数: 64

約数和(自身を含む): 4326566400

約数和(自身を除く): 2439558410

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 1190, 1330, 1615, 2261, 3230, 4522, 11305, 22610, 83459, 166918, 417295, 584213, 834590, 1168426, 1418803, 1585721, 2837606, 2921065, 3171442, 5842130, 7094015, 7928605, 9931621, 11100047, 14188030, 15857210, 19863242, 22200094, 26957257, 49658105, 53914514, 55500235, 99316210, 111000470, 134786285, 188700799, 269572570, 377401598, 943503995, 1887007990]

約数ペア:

[(1, 1887007990), (2, 943503995), (5, 377401598), (7, 269572570), (10, 188700799), (14, 134786285), (17, 111000470), (19, 99316210), (34, 55500235), (35, 53914514), (38, 49658105), (70, 26957257), (85, 22200094), (95, 19863242), (119, 15857210), (133, 14188030), (170, 11100047), (190, 9931621), (238, 7928605), (266, 7094015), (323, 5842130), (595, 3171442), (646, 2921065), (665, 2837606), (1190, 1585721), (1330, 1418803), (1615, 1168426), (2261, 834590), (3230, 584213), (4522, 417295), (11305, 166918), (22610, 83459)]