51899820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 171601920

約数和(自身を除く): 119702100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 139, 140, 147, 196, 210, 245, 254, 278, 294, 381, 417, 420, 490, 508, 556, 588, 635, 695, 735, 762, 834, 889, 973, 980, 1270, 1390, 1470, 1524, 1668, 1778, 1905, 1946, 2085, 2540, 2667, 2780, 2919, 2940, 3556, 3810, 3892, 4170, 4445, 4865, 5334, 5838, 6223, 6811, 7620, 8340, 8890, 9730, 10668, 11676, 12446, 13335, 13622, 14595, 17653, 17780, 18669, 19460, 20433, 24892, 26670, 27244, 29190, 31115, 34055, 35306, 37338, 40866, 52959, 53340, 58380, 62230, 68110, 70612, 74676, 81732, 88265, 93345, 102165, 105918, 123571, 124460, 136220, 176530, 186690, 204330, 211836, 247142, 264795, 353060, 370713, 373380, 408660, 494284, 529590, 617855, 741426, 864997, 1059180, 1235710, 1482852, 1729994, 1853565, 2471420, 2594991, 3459988, 3707130, 4324985, 5189982, 7414260, 8649970, 10379964, 12974955, 17299940, 25949910, 51899820]

約数ペア:

[(1, 51899820), (2, 25949910), (3, 17299940), (4, 12974955), (5, 10379964), (6, 8649970), (7, 7414260), (10, 5189982), (12, 4324985), (14, 3707130), (15, 3459988), (20, 2594991), (21, 2471420), (28, 1853565), (30, 1729994), (35, 1482852), (42, 1235710), (49, 1059180), (60, 864997), (70, 741426), (84, 617855), (98, 529590), (105, 494284), (127, 408660), (139, 373380), (140, 370713), (147, 353060), (196, 264795), (210, 247142), (245, 211836), (254, 204330), (278, 186690), (294, 176530), (381, 136220), (417, 124460), (420, 123571), (490, 105918), (508, 102165), (556, 93345), (588, 88265), (635, 81732), (695, 74676), (735, 70612), (762, 68110), (834, 62230), (889, 58380), (973, 53340), (980, 52959), (1270, 40866), (1390, 37338), (1470, 35306), (1524, 34055), (1668, 31115), (1778, 29190), (1905, 27244), (1946, 26670), (2085, 24892), (2540, 20433), (2667, 19460), (2780, 18669), (2919, 17780), (2940, 17653), (3556, 14595), (3810, 13622), (3892, 13335), (4170, 12446), (4445, 11676), (4865, 10668), (5334, 9730), (5838, 8890), (6223, 8340), (6811, 7620)]