2098707280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{1231}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 4955182848

約数和(自身を除く): 2856475568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 211, 404, 422, 505, 808, 844, 1010, 1055, 1231, 1616, 1688, 2020, 2110, 2462, 3376, 4040, 4220, 4924, 6155, 8080, 8440, 9848, 12310, 16880, 19696, 21311, 24620, 42622, 49240, 85244, 98480, 106555, 124331, 170488, 213110, 248662, 259741, 340976, 426220, 497324, 519482, 621655, 852440, 994648, 1038964, 1243310, 1298705, 1704880, 1989296, 2077928, 2486620, 2597410, 4155856, 4973240, 5194820, 9946480, 10389640, 20779280, 26233841, 52467682, 104935364, 131169205, 209870728, 262338410, 419741456, 524676820, 1049353640, 2098707280]

約数ペア:

[(1, 2098707280), (2, 1049353640), (4, 524676820), (5, 419741456), (8, 262338410), (10, 209870728), (16, 131169205), (20, 104935364), (40, 52467682), (80, 26233841), (101, 20779280), (202, 10389640), (211, 9946480), (404, 5194820), (422, 4973240), (505, 4155856), (808, 2597410), (844, 2486620), (1010, 2077928), (1055, 1989296), (1231, 1704880), (1616, 1298705), (1688, 1243310), (2020, 1038964), (2110, 994648), (2462, 852440), (3376, 621655), (4040, 519482), (4220, 497324), (4924, 426220), (6155, 340976), (8080, 259741), (8440, 248662), (9848, 213110), (12310, 170488), (16880, 124331), (19696, 106555), (21311, 98480), (24620, 85244), (42622, 49240)]