209929080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 648000000

約数和(自身を除く): 438070920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 149, 177, 199, 236, 295, 298, 354, 398, 447, 472, 590, 596, 597, 708, 745, 796, 885, 894, 995, 1180, 1192, 1194, 1416, 1490, 1592, 1770, 1788, 1990, 2235, 2360, 2388, 2980, 2985, 3540, 3576, 3980, 4470, 4776, 5960, 5970, 7080, 7960, 8791, 8940, 11741, 11940, 17582, 17880, 23482, 23880, 26373, 29651, 35164, 35223, 43955, 46964, 52746, 58705, 59302, 70328, 70446, 87910, 88953, 93928, 105492, 117410, 118604, 131865, 140892, 148255, 175820, 176115, 177906, 210984, 234820, 237208, 263730, 281784, 296510, 351640, 352230, 355812, 444765, 469640, 527460, 593020, 704460, 711624, 889530, 1054920, 1186040, 1408920, 1749409, 1779060, 3498818, 3558120, 5248227, 6997636, 8747045, 10496454, 13995272, 17494090, 20992908, 26241135, 34988180, 41985816, 52482270, 69976360, 104964540, 209929080]

約数ペア:

[(1, 209929080), (2, 104964540), (3, 69976360), (4, 52482270), (5, 41985816), (6, 34988180), (8, 26241135), (10, 20992908), (12, 17494090), (15, 13995272), (20, 10496454), (24, 8747045), (30, 6997636), (40, 5248227), (59, 3558120), (60, 3498818), (118, 1779060), (120, 1749409), (149, 1408920), (177, 1186040), (199, 1054920), (236, 889530), (295, 711624), (298, 704460), (354, 593020), (398, 527460), (447, 469640), (472, 444765), (590, 355812), (596, 352230), (597, 351640), (708, 296510), (745, 281784), (796, 263730), (885, 237208), (894, 234820), (995, 210984), (1180, 177906), (1192, 176115), (1194, 175820), (1416, 148255), (1490, 140892), (1592, 131865), (1770, 118604), (1788, 117410), (1990, 105492), (2235, 93928), (2360, 88953), (2388, 87910), (2980, 70446), (2985, 70328), (3540, 59302), (3576, 58705), (3980, 52746), (4470, 46964), (4776, 43955), (5960, 35223), (5970, 35164), (7080, 29651), (7960, 26373), (8791, 23880), (8940, 23482), (11741, 17880), (11940, 17582)]