656600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{67}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 1802340

約数和(自身を除く): 1145740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 67, 70, 98, 100, 134, 140, 175, 196, 200, 245, 268, 280, 335, 350, 392, 469, 490, 536, 670, 700, 938, 980, 1225, 1340, 1400, 1675, 1876, 1960, 2345, 2450, 2680, 3283, 3350, 3752, 4690, 4900, 6566, 6700, 9380, 9800, 11725, 13132, 13400, 16415, 18760, 23450, 26264, 32830, 46900, 65660, 82075, 93800, 131320, 164150, 328300, 656600]

約数ペア:

[(1, 656600), (2, 328300), (4, 164150), (5, 131320), (7, 93800), (8, 82075), (10, 65660), (14, 46900), (20, 32830), (25, 26264), (28, 23450), (35, 18760), (40, 16415), (49, 13400), (50, 13132), (56, 11725), (67, 9800), (70, 9380), (98, 6700), (100, 6566), (134, 4900), (140, 4690), (175, 3752), (196, 3350), (200, 3283), (245, 2680), (268, 2450), (280, 2345), (335, 1960), (350, 1876), (392, 1675), (469, 1400), (490, 1340), (536, 1225), (670, 980), (700, 938)]