209401280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 224

約数和(自身を含む): 596920320

約数和(自身を除く): 387519040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 55, 62, 64, 76, 80, 88, 95, 101, 110, 124, 152, 155, 160, 176, 190, 202, 209, 220, 248, 304, 310, 320, 341, 352, 380, 404, 418, 440, 496, 505, 589, 608, 620, 682, 704, 760, 808, 836, 880, 992, 1010, 1045, 1111, 1178, 1216, 1240, 1364, 1520, 1616, 1672, 1705, 1760, 1919, 1984, 2020, 2090, 2222, 2356, 2480, 2728, 2945, 3040, 3131, 3232, 3344, 3410, 3520, 3838, 4040, 4180, 4444, 4712, 4960, 5456, 5555, 5890, 6080, 6262, 6464, 6479, 6688, 6820, 7676, 8080, 8360, 8888, 9424, 9595, 9920, 10912, 11110, 11780, 12524, 12958, 13376, 13640, 15352, 15655, 16160, 16720, 17776, 18848, 19190, 21109, 21824, 22220, 23560, 25048, 25916, 27280, 30704, 31310, 32320, 32395, 33440, 34441, 35552, 37696, 38380, 42218, 44440, 47120, 50096, 51832, 54560, 59489, 61408, 62620, 64790, 66880, 68882, 71104, 76760, 84436, 88880, 94240, 100192, 103664, 105545, 109120, 118978, 122816, 125240, 129580, 137764, 153520, 168872, 172205, 177760, 188480, 200384, 207328, 211090, 237956, 250480, 259160, 275528, 297445, 307040, 337744, 344410, 355520, 414656, 422180, 475912, 500960, 518320, 551056, 594890, 614080, 654379, 675488, 688820, 844360, 951824, 1001920, 1036640, 1102112, 1189780, 1308758, 1350976, 1377640, 1688720, 1903648, 2073280, 2204224, 2379560, 2617516, 2755280, 3271895, 3377440, 3807296, 4759120, 5235032, 5510560, 6543790, 6754880, 9518240, 10470064, 11021120, 13087580, 19036480, 20940128, 26175160, 41880256, 52350320, 104700640, 209401280]

約数ペア:

[(1, 209401280), (2, 104700640), (4, 52350320), (5, 41880256), (8, 26175160), (10, 20940128), (11, 19036480), (16, 13087580), (19, 11021120), (20, 10470064), (22, 9518240), (31, 6754880), (32, 6543790), (38, 5510560), (40, 5235032), (44, 4759120), (55, 3807296), (62, 3377440), (64, 3271895), (76, 2755280), (80, 2617516), (88, 2379560), (95, 2204224), (101, 2073280), (110, 1903648), (124, 1688720), (152, 1377640), (155, 1350976), (160, 1308758), (176, 1189780), (190, 1102112), (202, 1036640), (209, 1001920), (220, 951824), (248, 844360), (304, 688820), (310, 675488), (320, 654379), (341, 614080), (352, 594890), (380, 551056), (404, 518320), (418, 500960), (440, 475912), (496, 422180), (505, 414656), (589, 355520), (608, 344410), (620, 337744), (682, 307040), (704, 297445), (760, 275528), (808, 259160), (836, 250480), (880, 237956), (992, 211090), (1010, 207328), (1045, 200384), (1111, 188480), (1178, 177760), (1216, 172205), (1240, 168872), (1364, 153520), (1520, 137764), (1616, 129580), (1672, 125240), (1705, 122816), (1760, 118978), (1919, 109120), (1984, 105545), (2020, 103664), (2090, 100192), (2222, 94240), (2356, 88880), (2480, 84436), (2728, 76760), (2945, 71104), (3040, 68882), (3131, 66880), (3232, 64790), (3344, 62620), (3410, 61408), (3520, 59489), (3838, 54560), (4040, 51832), (4180, 50096), (4444, 47120), (4712, 44440), (4960, 42218), (5456, 38380), (5555, 37696), (5890, 35552), (6080, 34441), (6262, 33440), (6464, 32395), (6479, 32320), (6688, 31310), (6820, 30704), (7676, 27280), (8080, 25916), (8360, 25048), (8888, 23560), (9424, 22220), (9595, 21824), (9920, 21109), (10912, 19190), (11110, 18848), (11780, 17776), (12524, 16720), (12958, 16160), (13376, 15655), (13640, 15352)]