128399300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 301480704

約数和(自身を除く): 173081404

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 170, 188, 235, 340, 425, 470, 799, 850, 940, 1175, 1598, 1607, 1700, 2350, 3196, 3214, 3995, 4700, 6428, 7990, 8035, 15980, 16070, 19975, 27319, 32140, 39950, 40175, 54638, 75529, 79900, 80350, 109276, 136595, 151058, 160700, 273190, 302116, 377645, 546380, 682975, 755290, 1283993, 1365950, 1510580, 1888225, 2567986, 2731900, 3776450, 5135972, 6419965, 7552900, 12839930, 25679860, 32099825, 64199650, 128399300]

約数ペア:

[(1, 128399300), (2, 64199650), (4, 32099825), (5, 25679860), (10, 12839930), (17, 7552900), (20, 6419965), (25, 5135972), (34, 3776450), (47, 2731900), (50, 2567986), (68, 1888225), (85, 1510580), (94, 1365950), (100, 1283993), (170, 755290), (188, 682975), (235, 546380), (340, 377645), (425, 302116), (470, 273190), (799, 160700), (850, 151058), (940, 136595), (1175, 109276), (1598, 80350), (1607, 79900), (1700, 75529), (2350, 54638), (3196, 40175), (3214, 39950), (3995, 32140), (4700, 27319), (6428, 19975), (7990, 16070), (8035, 15980)]