208939780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1069

約数の個数: 96

約数和(自身を含む): 529079040

約数和(自身を除く): 320139260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 53, 58, 70, 106, 116, 140, 145, 203, 212, 265, 290, 371, 406, 530, 580, 742, 812, 971, 1015, 1060, 1484, 1537, 1855, 1942, 2030, 3074, 3710, 3884, 4060, 4855, 6148, 6797, 7420, 7685, 9710, 10759, 13594, 15370, 19420, 21518, 27188, 28159, 30740, 33985, 43036, 51463, 53795, 56318, 67970, 102926, 107590, 112636, 135940, 140795, 197113, 205852, 215180, 257315, 281590, 360241, 394226, 514630, 563180, 720482, 788452, 985565, 1029260, 1440964, 1492427, 1801205, 1971130, 2984854, 3602410, 3942260, 5969708, 7204820, 7462135, 10446989, 14924270, 20893978, 29848540, 41787956, 52234945, 104469890, 208939780]

約数ペア:

[(1, 208939780), (2, 104469890), (4, 52234945), (5, 41787956), (7, 29848540), (10, 20893978), (14, 14924270), (20, 10446989), (28, 7462135), (29, 7204820), (35, 5969708), (53, 3942260), (58, 3602410), (70, 2984854), (106, 1971130), (116, 1801205), (140, 1492427), (145, 1440964), (203, 1029260), (212, 985565), (265, 788452), (290, 720482), (371, 563180), (406, 514630), (530, 394226), (580, 360241), (742, 281590), (812, 257315), (971, 215180), (1015, 205852), (1060, 197113), (1484, 140795), (1537, 135940), (1855, 112636), (1942, 107590), (2030, 102926), (3074, 67970), (3710, 56318), (3884, 53795), (4060, 51463), (4855, 43036), (6148, 33985), (6797, 30740), (7420, 28159), (7685, 27188), (9710, 21518), (10759, 19420), (13594, 15370)]