200801025

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 120

約数和(自身を含む): 415910880

約数和(自身を除く): 215109855

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 27, 45, 51, 57, 75, 81, 85, 95, 135, 153, 171, 225, 255, 285, 307, 323, 405, 425, 459, 475, 513, 675, 765, 855, 921, 969, 1275, 1377, 1425, 1535, 1539, 1615, 2025, 2295, 2565, 2763, 2907, 3825, 4275, 4605, 4845, 5219, 5833, 6885, 7675, 7695, 8075, 8289, 8721, 11475, 12825, 13815, 14535, 15657, 17499, 23025, 24225, 24867, 26095, 26163, 29165, 34425, 38475, 41445, 43605, 46971, 52497, 69075, 72675, 78285, 87495, 99161, 124335, 130475, 130815, 140913, 145825, 157491, 207225, 218025, 234855, 262485, 297483, 391425, 422739, 437475, 472473, 495805, 621675, 654075, 704565, 787455, 892449, 1174275, 1312425, 1487415, 2113695, 2362365, 2479025, 2677347, 3522825, 3937275, 4462245, 7437075, 8032041, 10568475, 11811825, 13386735, 22311225, 40160205, 66933675, 200801025]

約数ペア:

[(1, 200801025), (3, 66933675), (5, 40160205), (9, 22311225), (15, 13386735), (17, 11811825), (19, 10568475), (25, 8032041), (27, 7437075), (45, 4462245), (51, 3937275), (57, 3522825), (75, 2677347), (81, 2479025), (85, 2362365), (95, 2113695), (135, 1487415), (153, 1312425), (171, 1174275), (225, 892449), (255, 787455), (285, 704565), (307, 654075), (323, 621675), (405, 495805), (425, 472473), (459, 437475), (475, 422739), (513, 391425), (675, 297483), (765, 262485), (855, 234855), (921, 218025), (969, 207225), (1275, 157491), (1377, 145825), (1425, 140913), (1535, 130815), (1539, 130475), (1615, 124335), (2025, 99161), (2295, 87495), (2565, 78285), (2763, 72675), (2907, 69075), (3825, 52497), (4275, 46971), (4605, 43605), (4845, 41445), (5219, 38475), (5833, 34425), (6885, 29165), (7675, 26163), (7695, 26095), (8075, 24867), (8289, 24225), (8721, 23025), (11475, 17499), (12825, 15657), (13815, 14535)]