219064496

素因数分解:

$2^4\times 7^3\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 80

約数和(自身を含む): 499968000

約数和(自身を除く): 280903504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 179, 196, 223, 343, 358, 392, 446, 686, 716, 784, 892, 1253, 1372, 1432, 1561, 1784, 2506, 2744, 2864, 3122, 3568, 5012, 5488, 6244, 8771, 10024, 10927, 12488, 17542, 20048, 21854, 24976, 35084, 39917, 43708, 61397, 70168, 76489, 79834, 87416, 122794, 140336, 152978, 159668, 174832, 245588, 279419, 305956, 319336, 491176, 558838, 611912, 638672, 982352, 1117676, 1223824, 1955933, 2235352, 3911866, 4470704, 7823732, 13691531, 15647464, 27383062, 31294928, 54766124, 109532248, 219064496]

約数ペア:

[(1, 219064496), (2, 109532248), (4, 54766124), (7, 31294928), (8, 27383062), (14, 15647464), (16, 13691531), (28, 7823732), (49, 4470704), (56, 3911866), (98, 2235352), (112, 1955933), (179, 1223824), (196, 1117676), (223, 982352), (343, 638672), (358, 611912), (392, 558838), (446, 491176), (686, 319336), (716, 305956), (784, 279419), (892, 245588), (1253, 174832), (1372, 159668), (1432, 152978), (1561, 140336), (1784, 122794), (2506, 87416), (2744, 79834), (2864, 76489), (3122, 70168), (3568, 61397), (5012, 43708), (5488, 39917), (6244, 35084), (8771, 24976), (10024, 21854), (10927, 20048), (12488, 17542)]