1639225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 2678400

約数和(自身を除く): 1039175

約数列:

[1, 5, 7, 17, 19, 25, 29, 35, 85, 95, 119, 133, 145, 175, 203, 323, 425, 475, 493, 551, 595, 665, 725, 1015, 1615, 2261, 2465, 2755, 2975, 3325, 3451, 3857, 5075, 8075, 9367, 11305, 12325, 13775, 17255, 19285, 46835, 56525, 65569, 86275, 96425, 234175, 327845, 1639225]

約数ペア:

[(1, 1639225), (5, 327845), (7, 234175), (17, 96425), (19, 86275), (25, 65569), (29, 56525), (35, 46835), (85, 19285), (95, 17255), (119, 13775), (133, 12325), (145, 11305), (175, 9367), (203, 8075), (323, 5075), (425, 3857), (475, 3451), (493, 3325), (551, 2975), (595, 2755), (665, 2465), (725, 2261), (1015, 1615)]