142719640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 391104000

約数和(自身を除く): 248384360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 139, 140, 152, 190, 193, 266, 278, 280, 380, 386, 532, 556, 665, 695, 760, 772, 965, 973, 1064, 1112, 1330, 1351, 1390, 1544, 1930, 1946, 2641, 2660, 2702, 2780, 3667, 3860, 3892, 4865, 5282, 5320, 5404, 5560, 6755, 7334, 7720, 7784, 9730, 10564, 10808, 13205, 13510, 14668, 18335, 18487, 19460, 21128, 25669, 26410, 26827, 27020, 29336, 36670, 36974, 38920, 51338, 52820, 53654, 54040, 73340, 73948, 92435, 102676, 105640, 107308, 128345, 134135, 146680, 147896, 184870, 187789, 205352, 214616, 256690, 268270, 369740, 375578, 509713, 513380, 536540, 739480, 751156, 938945, 1019426, 1026760, 1073080, 1502312, 1877890, 2038852, 2548565, 3567991, 3755780, 4077704, 5097130, 7135982, 7511560, 10194260, 14271964, 17839955, 20388520, 28543928, 35679910, 71359820, 142719640]

約数ペア:

[(1, 142719640), (2, 71359820), (4, 35679910), (5, 28543928), (7, 20388520), (8, 17839955), (10, 14271964), (14, 10194260), (19, 7511560), (20, 7135982), (28, 5097130), (35, 4077704), (38, 3755780), (40, 3567991), (56, 2548565), (70, 2038852), (76, 1877890), (95, 1502312), (133, 1073080), (139, 1026760), (140, 1019426), (152, 938945), (190, 751156), (193, 739480), (266, 536540), (278, 513380), (280, 509713), (380, 375578), (386, 369740), (532, 268270), (556, 256690), (665, 214616), (695, 205352), (760, 187789), (772, 184870), (965, 147896), (973, 146680), (1064, 134135), (1112, 128345), (1330, 107308), (1351, 105640), (1390, 102676), (1544, 92435), (1930, 73948), (1946, 73340), (2641, 54040), (2660, 53654), (2702, 52820), (2780, 51338), (3667, 38920), (3860, 36974), (3892, 36670), (4865, 29336), (5282, 27020), (5320, 26827), (5404, 26410), (5560, 25669), (6755, 21128), (7334, 19460), (7720, 18487), (7784, 18335), (9730, 14668), (10564, 13510), (10808, 13205)]