209974688

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 531965952

約数和(自身を除く): 321991264

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 61, 77, 88, 112, 121, 122, 127, 154, 176, 224, 242, 244, 254, 308, 352, 427, 484, 488, 508, 616, 671, 847, 854, 889, 968, 976, 1016, 1232, 1342, 1397, 1694, 1708, 1778, 1936, 1952, 2032, 2464, 2684, 2794, 3388, 3416, 3556, 3872, 4064, 4697, 5368, 5588, 6776, 6832, 7112, 7381, 7747, 9394, 9779, 10736, 11176, 13552, 13664, 14224, 14762, 15367, 15494, 18788, 19558, 21472, 22352, 27104, 28448, 29524, 30734, 30988, 37576, 39116, 44704, 51667, 54229, 59048, 61468, 61976, 75152, 78232, 85217, 103334, 107569, 108458, 118096, 122936, 123952, 150304, 156464, 170434, 206668, 215138, 216916, 236192, 245872, 247904, 312928, 340868, 413336, 430276, 433832, 491744, 596519, 681736, 826672, 860552, 867664, 937387, 1193038, 1363472, 1653344, 1721104, 1735328, 1874774, 2386076, 2726944, 3442208, 3749548, 4772152, 6561709, 7499096, 9544304, 13123418, 14998192, 19088608, 26246836, 29996384, 52493672, 104987344, 209974688]

約数ペア:

[(1, 209974688), (2, 104987344), (4, 52493672), (7, 29996384), (8, 26246836), (11, 19088608), (14, 14998192), (16, 13123418), (22, 9544304), (28, 7499096), (32, 6561709), (44, 4772152), (56, 3749548), (61, 3442208), (77, 2726944), (88, 2386076), (112, 1874774), (121, 1735328), (122, 1721104), (127, 1653344), (154, 1363472), (176, 1193038), (224, 937387), (242, 867664), (244, 860552), (254, 826672), (308, 681736), (352, 596519), (427, 491744), (484, 433832), (488, 430276), (508, 413336), (616, 340868), (671, 312928), (847, 247904), (854, 245872), (889, 236192), (968, 216916), (976, 215138), (1016, 206668), (1232, 170434), (1342, 156464), (1397, 150304), (1694, 123952), (1708, 122936), (1778, 118096), (1936, 108458), (1952, 107569), (2032, 103334), (2464, 85217), (2684, 78232), (2794, 75152), (3388, 61976), (3416, 61468), (3556, 59048), (3872, 54229), (4064, 51667), (4697, 44704), (5368, 39116), (5588, 37576), (6776, 30988), (6832, 30734), (7112, 29524), (7381, 28448), (7747, 27104), (9394, 22352), (9779, 21472), (10736, 19558), (11176, 18788), (13552, 15494), (13664, 15367), (14224, 14762)]