28979720

素因数分解:

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

素因数の和:223

約数の個数: 96

約数和(自身を含む): 82140480

約数和(自身を除く): 53160760

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, 616, 679, 770, 776, 970, 1067, 1358, 1540, 1940, 2134, 2716, 3080, 3395, 3880, 4268, 5335, 5432, 6790, 7469, 8536, 9409, 10670, 13580, 14938, 18818, 21340, 27160, 29876, 37345, 37636, 42680, 47045, 59752, 65863, 74690, 75272, 94090, 103499, 131726, 149380, 188180, 206998, 263452, 298760, 329315, 376360, 413996, 517495, 526904, 658630, 724493, 827992, 1034990, 1317260, 1448986, 2069980, 2634520, 2897972, 3622465, 4139960, 5795944, 7244930, 14489860, 28979720]

約数ペア:

[(1, 28979720), (2, 14489860), (4, 7244930), (5, 5795944), (7, 4139960), (8, 3622465), (10, 2897972), (11, 2634520), (14, 2069980), (20, 1448986), (22, 1317260), (28, 1034990), (35, 827992), (40, 724493), (44, 658630), (55, 526904), (56, 517495), (70, 413996), (77, 376360), (88, 329315), (97, 298760), (110, 263452), (140, 206998), (154, 188180), (194, 149380), (220, 131726), (280, 103499), (308, 94090), (385, 75272), (388, 74690), (440, 65863), (485, 59752), (616, 47045), (679, 42680), (770, 37636), (776, 37345), (970, 29876), (1067, 27160), (1358, 21340), (1540, 18818), (1940, 14938), (2134, 13580), (2716, 10670), (3080, 9409), (3395, 8536), (3880, 7469), (4268, 6790), (5335, 5432)]