140775040

素因数分解:

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

素因数の和:167

約数の個数: 144

約数和(自身を含む): 397415970

約数和(自身を除く): 256640930

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 67, 70, 80, 98, 112, 128, 134, 140, 160, 196, 224, 245, 268, 280, 320, 335, 392, 448, 469, 490, 536, 560, 640, 670, 784, 896, 938, 980, 1072, 1120, 1340, 1568, 1876, 1960, 2144, 2240, 2345, 2680, 3136, 3283, 3752, 3920, 4288, 4480, 4489, 4690, 5360, 6272, 6566, 7504, 7840, 8576, 8978, 9380, 10720, 13132, 15008, 15680, 16415, 17956, 18760, 21440, 22445, 26264, 30016, 31360, 31423, 32830, 35912, 37520, 42880, 44890, 52528, 60032, 62846, 65660, 71824, 75040, 89780, 105056, 125692, 131320, 143648, 150080, 157115, 179560, 210112, 219961, 251384, 262640, 287296, 300160, 314230, 359120, 420224, 439922, 502768, 525280, 574592, 628460, 718240, 879844, 1005536, 1050560, 1099805, 1256920, 1436480, 1759688, 2011072, 2101120, 2199610, 2513840, 2872960, 3519376, 4022144, 4399220, 5027680, 7038752, 8798440, 10055360, 14077504, 17596880, 20110720, 28155008, 35193760, 70387520, 140775040]

約数ペア:

[(1, 140775040), (2, 70387520), (4, 35193760), (5, 28155008), (7, 20110720), (8, 17596880), (10, 14077504), (14, 10055360), (16, 8798440), (20, 7038752), (28, 5027680), (32, 4399220), (35, 4022144), (40, 3519376), (49, 2872960), (56, 2513840), (64, 2199610), (67, 2101120), (70, 2011072), (80, 1759688), (98, 1436480), (112, 1256920), (128, 1099805), (134, 1050560), (140, 1005536), (160, 879844), (196, 718240), (224, 628460), (245, 574592), (268, 525280), (280, 502768), (320, 439922), (335, 420224), (392, 359120), (448, 314230), (469, 300160), (490, 287296), (536, 262640), (560, 251384), (640, 219961), (670, 210112), (784, 179560), (896, 157115), (938, 150080), (980, 143648), (1072, 131320), (1120, 125692), (1340, 105056), (1568, 89780), (1876, 75040), (1960, 71824), (2144, 65660), (2240, 62846), (2345, 60032), (2680, 52528), (3136, 44890), (3283, 42880), (3752, 37520), (3920, 35912), (4288, 32830), (4480, 31423), (4489, 31360), (4690, 30016), (5360, 26264), (6272, 22445), (6566, 21440), (7504, 18760), (7840, 17956), (8576, 16415), (8978, 15680), (9380, 15008), (10720, 13132)]