287680400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:961

約数の個数: 120

約数和(自身を含む): 797091840

約数和(自身を除く): 509411440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 127, 140, 175, 200, 254, 280, 350, 400, 508, 560, 635, 700, 809, 889, 1016, 1270, 1400, 1618, 1778, 2032, 2540, 2800, 3175, 3236, 3556, 4045, 4445, 5080, 5663, 6350, 6472, 7112, 8090, 8890, 10160, 11326, 12700, 12944, 14224, 16180, 17780, 20225, 22225, 22652, 25400, 28315, 32360, 35560, 40450, 44450, 45304, 50800, 56630, 64720, 71120, 80900, 88900, 90608, 102743, 113260, 141575, 161800, 177800, 205486, 226520, 283150, 323600, 355600, 410972, 453040, 513715, 566300, 719201, 821944, 1027430, 1132600, 1438402, 1643888, 2054860, 2265200, 2568575, 2876804, 3596005, 4109720, 5137150, 5753608, 7192010, 8219440, 10274300, 11507216, 14384020, 17980025, 20548600, 28768040, 35960050, 41097200, 57536080, 71920100, 143840200, 287680400]

約数ペア:

[(1, 287680400), (2, 143840200), (4, 71920100), (5, 57536080), (7, 41097200), (8, 35960050), (10, 28768040), (14, 20548600), (16, 17980025), (20, 14384020), (25, 11507216), (28, 10274300), (35, 8219440), (40, 7192010), (50, 5753608), (56, 5137150), (70, 4109720), (80, 3596005), (100, 2876804), (112, 2568575), (127, 2265200), (140, 2054860), (175, 1643888), (200, 1438402), (254, 1132600), (280, 1027430), (350, 821944), (400, 719201), (508, 566300), (560, 513715), (635, 453040), (700, 410972), (809, 355600), (889, 323600), (1016, 283150), (1270, 226520), (1400, 205486), (1618, 177800), (1778, 161800), (2032, 141575), (2540, 113260), (2800, 102743), (3175, 90608), (3236, 88900), (3556, 80900), (4045, 71120), (4445, 64720), (5080, 56630), (5663, 50800), (6350, 45304), (6472, 44450), (7112, 40450), (8090, 35560), (8890, 32360), (10160, 28315), (11326, 25400), (12700, 22652), (12944, 22225), (14224, 20225), (16180, 17780)]