208536160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:493

約数の個数: 144

約数和(自身を含む): 583120944

約数和(自身を除く): 374584784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 160, 196, 224, 245, 268, 280, 335, 392, 397, 469, 490, 536, 560, 670, 784, 794, 938, 980, 1072, 1120, 1340, 1568, 1588, 1876, 1960, 1985, 2144, 2345, 2680, 2779, 3176, 3283, 3752, 3920, 3970, 4690, 5360, 5558, 6352, 6566, 7504, 7840, 7940, 9380, 10720, 11116, 12704, 13132, 13895, 15008, 15880, 16415, 18760, 19453, 22232, 26264, 26599, 27790, 31760, 32830, 37520, 38906, 44464, 52528, 53198, 55580, 63520, 65660, 75040, 77812, 88928, 97265, 105056, 106396, 111160, 131320, 132995, 155624, 186193, 194530, 212792, 222320, 262640, 265990, 311248, 372386, 389060, 425584, 444640, 525280, 531980, 622496, 744772, 778120, 851168, 930965, 1063960, 1303351, 1489544, 1556240, 1861930, 2127920, 2606702, 2979088, 3112480, 3723860, 4255840, 5213404, 5958176, 6516755, 7447720, 10426808, 13033510, 14895440, 20853616, 26067020, 29790880, 41707232, 52134040, 104268080, 208536160]

約数ペア:

[(1, 208536160), (2, 104268080), (4, 52134040), (5, 41707232), (7, 29790880), (8, 26067020), (10, 20853616), (14, 14895440), (16, 13033510), (20, 10426808), (28, 7447720), (32, 6516755), (35, 5958176), (40, 5213404), (49, 4255840), (56, 3723860), (67, 3112480), (70, 2979088), (80, 2606702), (98, 2127920), (112, 1861930), (134, 1556240), (140, 1489544), (160, 1303351), (196, 1063960), (224, 930965), (245, 851168), (268, 778120), (280, 744772), (335, 622496), (392, 531980), (397, 525280), (469, 444640), (490, 425584), (536, 389060), (560, 372386), (670, 311248), (784, 265990), (794, 262640), (938, 222320), (980, 212792), (1072, 194530), (1120, 186193), (1340, 155624), (1568, 132995), (1588, 131320), (1876, 111160), (1960, 106396), (1985, 105056), (2144, 97265), (2345, 88928), (2680, 77812), (2779, 75040), (3176, 65660), (3283, 63520), (3752, 55580), (3920, 53198), (3970, 52528), (4690, 44464), (5360, 38906), (5558, 37520), (6352, 32830), (6566, 31760), (7504, 27790), (7840, 26599), (7940, 26264), (9380, 22232), (10720, 19453), (11116, 18760), (12704, 16415), (13132, 15880), (13895, 15008)]