408742880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 192

約数和(自身を含む): 1209116160

約数和(自身を除く): 800373280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 67, 70, 80, 91, 104, 112, 130, 134, 140, 160, 182, 208, 224, 260, 268, 280, 335, 364, 416, 419, 455, 469, 520, 536, 560, 670, 728, 838, 871, 910, 938, 1040, 1072, 1120, 1340, 1456, 1676, 1742, 1820, 1876, 2080, 2095, 2144, 2345, 2680, 2912, 2933, 3352, 3484, 3640, 3752, 4190, 4355, 4690, 5360, 5447, 5866, 6097, 6704, 6968, 7280, 7504, 8380, 8710, 9380, 10720, 10894, 11732, 12194, 13408, 13936, 14560, 14665, 15008, 16760, 17420, 18760, 21788, 23464, 24388, 27235, 27872, 28073, 29330, 30485, 33520, 34840, 37520, 38129, 43576, 46928, 48776, 54470, 56146, 58660, 60970, 67040, 69680, 75040, 76258, 87152, 93856, 97552, 108940, 112292, 117320, 121940, 139360, 140365, 152516, 174304, 190645, 195104, 196511, 217880, 224584, 234640, 243880, 280730, 305032, 364949, 381290, 393022, 435760, 449168, 469280, 487760, 561460, 610064, 729898, 762580, 786044, 871520, 898336, 975520, 982555, 1122920, 1220128, 1459796, 1525160, 1572088, 1824745, 1965110, 2245840, 2554643, 2919592, 3050320, 3144176, 3649490, 3930220, 4491680, 5109286, 5839184, 6100640, 6288352, 7298980, 7860440, 10218572, 11678368, 12773215, 14597960, 15720880, 20437144, 25546430, 29195920, 31441760, 40874288, 51092860, 58391840, 81748576, 102185720, 204371440, 408742880]

約数ペア:

[(1, 408742880), (2, 204371440), (4, 102185720), (5, 81748576), (7, 58391840), (8, 51092860), (10, 40874288), (13, 31441760), (14, 29195920), (16, 25546430), (20, 20437144), (26, 15720880), (28, 14597960), (32, 12773215), (35, 11678368), (40, 10218572), (52, 7860440), (56, 7298980), (65, 6288352), (67, 6100640), (70, 5839184), (80, 5109286), (91, 4491680), (104, 3930220), (112, 3649490), (130, 3144176), (134, 3050320), (140, 2919592), (160, 2554643), (182, 2245840), (208, 1965110), (224, 1824745), (260, 1572088), (268, 1525160), (280, 1459796), (335, 1220128), (364, 1122920), (416, 982555), (419, 975520), (455, 898336), (469, 871520), (520, 786044), (536, 762580), (560, 729898), (670, 610064), (728, 561460), (838, 487760), (871, 469280), (910, 449168), (938, 435760), (1040, 393022), (1072, 381290), (1120, 364949), (1340, 305032), (1456, 280730), (1676, 243880), (1742, 234640), (1820, 224584), (1876, 217880), (2080, 196511), (2095, 195104), (2144, 190645), (2345, 174304), (2680, 152516), (2912, 140365), (2933, 139360), (3352, 121940), (3484, 117320), (3640, 112292), (3752, 108940), (4190, 97552), (4355, 93856), (4690, 87152), (5360, 76258), (5447, 75040), (5866, 69680), (6097, 67040), (6704, 60970), (6968, 58660), (7280, 56146), (7504, 54470), (8380, 48776), (8710, 46928), (9380, 43576), (10720, 38129), (10894, 37520), (11732, 34840), (12194, 33520), (13408, 30485), (13936, 29330), (14560, 28073), (14665, 27872), (15008, 27235), (16760, 24388), (17420, 23464), (18760, 21788)]