204371440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 160

約数和(自身を含む): 594961920

約数和(自身を除く): 390590480

約数列:

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

約数ペア:

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