205127860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 505774080

約数和(自身を除く): 300646220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 127, 139, 140, 166, 254, 278, 332, 415, 508, 556, 581, 635, 695, 830, 889, 973, 1162, 1270, 1390, 1660, 1778, 1946, 2324, 2540, 2780, 2905, 3556, 3892, 4445, 4865, 5810, 8890, 9730, 10541, 11537, 11620, 17653, 17780, 19460, 21082, 23074, 35306, 42164, 46148, 52705, 57685, 70612, 73787, 80759, 88265, 105410, 115370, 123571, 147574, 161518, 176530, 210820, 230740, 247142, 295148, 323036, 353060, 368935, 403795, 494284, 617855, 737870, 807590, 1235710, 1465199, 1475740, 1615180, 2471420, 2930398, 5860796, 7325995, 10256393, 14651990, 20512786, 29303980, 41025572, 51281965, 102563930, 205127860]

約数ペア:

[(1, 205127860), (2, 102563930), (4, 51281965), (5, 41025572), (7, 29303980), (10, 20512786), (14, 14651990), (20, 10256393), (28, 7325995), (35, 5860796), (70, 2930398), (83, 2471420), (127, 1615180), (139, 1475740), (140, 1465199), (166, 1235710), (254, 807590), (278, 737870), (332, 617855), (415, 494284), (508, 403795), (556, 368935), (581, 353060), (635, 323036), (695, 295148), (830, 247142), (889, 230740), (973, 210820), (1162, 176530), (1270, 161518), (1390, 147574), (1660, 123571), (1778, 115370), (1946, 105410), (2324, 88265), (2540, 80759), (2780, 73787), (2905, 70612), (3556, 57685), (3892, 52705), (4445, 46148), (4865, 42164), (5810, 35306), (8890, 23074), (9730, 21082), (10541, 19460), (11537, 17780), (11620, 17653)]