209401080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{249287}}^1$

素因数の和:249308

約数の個数: 64

約数和(自身を含む): 717949440

約数和(自身を除く): 508548360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 249287, 498574, 747861, 997148, 1246435, 1495722, 1745009, 1994296, 2492870, 2991444, 3490018, 3739305, 4985740, 5235027, 5982888, 6980036, 7478610, 8725045, 9971480, 10470054, 13960072, 14957220, 17450090, 20940108, 26175135, 29914440, 34900180, 41880216, 52350270, 69800360, 104700540, 209401080]

約数ペア:

[(1, 209401080), (2, 104700540), (3, 69800360), (4, 52350270), (5, 41880216), (6, 34900180), (7, 29914440), (8, 26175135), (10, 20940108), (12, 17450090), (14, 14957220), (15, 13960072), (20, 10470054), (21, 9971480), (24, 8725045), (28, 7478610), (30, 6980036), (35, 5982888), (40, 5235027), (42, 4985740), (56, 3739305), (60, 3490018), (70, 2991444), (84, 2492870), (105, 1994296), (120, 1745009), (140, 1495722), (168, 1246435), (210, 997148), (280, 747861), (420, 498574), (840, 249287)]