178957240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{599}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 508032000

約数和(自身を除く): 329074760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 97, 110, 140, 154, 194, 220, 280, 308, 385, 388, 440, 485, 599, 616, 679, 770, 776, 970, 1067, 1198, 1358, 1540, 1940, 2134, 2396, 2716, 2995, 3080, 3395, 3880, 4193, 4268, 4792, 5335, 5432, 5990, 6589, 6790, 7469, 8386, 8536, 10670, 11980, 13178, 13580, 14938, 16772, 20965, 21340, 23960, 26356, 27160, 29876, 32945, 33544, 37345, 41930, 42680, 46123, 52712, 58103, 59752, 65890, 74690, 83860, 92246, 116206, 131780, 149380, 167720, 184492, 230615, 232412, 263560, 290515, 298760, 368984, 406721, 461230, 464824, 581030, 639133, 813442, 922460, 1162060, 1278266, 1626884, 1844920, 2033605, 2324120, 2556532, 3195665, 3253768, 4067210, 4473931, 5113064, 6391330, 8134420, 8947862, 12782660, 16268840, 17895724, 22369655, 25565320, 35791448, 44739310, 89478620, 178957240]

約数ペア:

[(1, 178957240), (2, 89478620), (4, 44739310), (5, 35791448), (7, 25565320), (8, 22369655), (10, 17895724), (11, 16268840), (14, 12782660), (20, 8947862), (22, 8134420), (28, 6391330), (35, 5113064), (40, 4473931), (44, 4067210), (55, 3253768), (56, 3195665), (70, 2556532), (77, 2324120), (88, 2033605), (97, 1844920), (110, 1626884), (140, 1278266), (154, 1162060), (194, 922460), (220, 813442), (280, 639133), (308, 581030), (385, 464824), (388, 461230), (440, 406721), (485, 368984), (599, 298760), (616, 290515), (679, 263560), (770, 232412), (776, 230615), (970, 184492), (1067, 167720), (1198, 149380), (1358, 131780), (1540, 116206), (1940, 92246), (2134, 83860), (2396, 74690), (2716, 65890), (2995, 59752), (3080, 58103), (3395, 52712), (3880, 46123), (4193, 42680), (4268, 41930), (4792, 37345), (5335, 33544), (5432, 32945), (5990, 29876), (6589, 27160), (6790, 26356), (7469, 23960), (8386, 21340), (8536, 20965), (10670, 16772), (11980, 14938), (13178, 13580)]