71359820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 182515200

約数和(自身を除く): 111155380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 139, 140, 190, 193, 266, 278, 380, 386, 532, 556, 665, 695, 772, 965, 973, 1330, 1351, 1390, 1930, 1946, 2641, 2660, 2702, 2780, 3667, 3860, 3892, 4865, 5282, 5404, 6755, 7334, 9730, 10564, 13205, 13510, 14668, 18335, 18487, 19460, 25669, 26410, 26827, 27020, 36670, 36974, 51338, 52820, 53654, 73340, 73948, 92435, 102676, 107308, 128345, 134135, 184870, 187789, 256690, 268270, 369740, 375578, 509713, 513380, 536540, 751156, 938945, 1019426, 1877890, 2038852, 2548565, 3567991, 3755780, 5097130, 7135982, 10194260, 14271964, 17839955, 35679910, 71359820]

約数ペア:

[(1, 71359820), (2, 35679910), (4, 17839955), (5, 14271964), (7, 10194260), (10, 7135982), (14, 5097130), (19, 3755780), (20, 3567991), (28, 2548565), (35, 2038852), (38, 1877890), (70, 1019426), (76, 938945), (95, 751156), (133, 536540), (139, 513380), (140, 509713), (190, 375578), (193, 369740), (266, 268270), (278, 256690), (380, 187789), (386, 184870), (532, 134135), (556, 128345), (665, 107308), (695, 102676), (772, 92435), (965, 73948), (973, 73340), (1330, 53654), (1351, 52820), (1390, 51338), (1930, 36974), (1946, 36670), (2641, 27020), (2660, 26827), (2702, 26410), (2780, 25669), (3667, 19460), (3860, 18487), (3892, 18335), (4865, 14668), (5282, 13510), (5404, 13205), (6755, 10564), (7334, 9730)]