16887200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 47809440

約数和(自身を除く): 30922240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 101, 110, 152, 160, 176, 190, 200, 202, 209, 220, 275, 304, 352, 380, 400, 404, 418, 440, 475, 505, 550, 608, 760, 800, 808, 836, 880, 950, 1010, 1045, 1100, 1111, 1520, 1616, 1672, 1760, 1900, 1919, 2020, 2090, 2200, 2222, 2525, 3040, 3232, 3344, 3800, 3838, 4040, 4180, 4400, 4444, 5050, 5225, 5555, 6688, 7600, 7676, 8080, 8360, 8800, 8888, 9595, 10100, 10450, 11110, 15200, 15352, 16160, 16720, 17776, 19190, 20200, 20900, 21109, 22220, 27775, 30704, 33440, 35552, 38380, 40400, 41800, 42218, 44440, 47975, 55550, 61408, 76760, 80800, 83600, 84436, 88880, 95950, 105545, 111100, 153520, 167200, 168872, 177760, 191900, 211090, 222200, 307040, 337744, 383800, 422180, 444400, 527725, 675488, 767600, 844360, 888800, 1055450, 1535200, 1688720, 2110900, 3377440, 4221800, 8443600, 16887200]

約数ペア:

[(1, 16887200), (2, 8443600), (4, 4221800), (5, 3377440), (8, 2110900), (10, 1688720), (11, 1535200), (16, 1055450), (19, 888800), (20, 844360), (22, 767600), (25, 675488), (32, 527725), (38, 444400), (40, 422180), (44, 383800), (50, 337744), (55, 307040), (76, 222200), (80, 211090), (88, 191900), (95, 177760), (100, 168872), (101, 167200), (110, 153520), (152, 111100), (160, 105545), (176, 95950), (190, 88880), (200, 84436), (202, 83600), (209, 80800), (220, 76760), (275, 61408), (304, 55550), (352, 47975), (380, 44440), (400, 42218), (404, 41800), (418, 40400), (440, 38380), (475, 35552), (505, 33440), (550, 30704), (608, 27775), (760, 22220), (800, 21109), (808, 20900), (836, 20200), (880, 19190), (950, 17776), (1010, 16720), (1045, 16160), (1100, 15352), (1111, 15200), (1520, 11110), (1616, 10450), (1672, 10100), (1760, 9595), (1900, 8888), (1919, 8800), (2020, 8360), (2090, 8080), (2200, 7676), (2222, 7600), (2525, 6688), (3040, 5555), (3232, 5225), (3344, 5050), (3800, 4444), (3838, 4400), (4040, 4180)]