280069328

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{809}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 679777920

約数和(自身を除く): 399708592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 281, 308, 562, 616, 809, 1124, 1232, 1618, 1967, 2248, 3091, 3236, 3934, 4496, 5663, 6182, 6472, 7868, 8899, 11326, 12364, 12944, 15736, 17798, 21637, 22652, 24728, 31472, 35596, 43274, 45304, 49456, 62293, 71192, 86548, 90608, 124586, 142384, 173096, 227329, 249172, 346192, 454658, 498344, 909316, 996688, 1591303, 1818632, 2500619, 3182606, 3637264, 5001238, 6365212, 10002476, 12730424, 17504333, 20004952, 25460848, 35008666, 40009904, 70017332, 140034664, 280069328]

約数ペア:

[(1, 280069328), (2, 140034664), (4, 70017332), (7, 40009904), (8, 35008666), (11, 25460848), (14, 20004952), (16, 17504333), (22, 12730424), (28, 10002476), (44, 6365212), (56, 5001238), (77, 3637264), (88, 3182606), (112, 2500619), (154, 1818632), (176, 1591303), (281, 996688), (308, 909316), (562, 498344), (616, 454658), (809, 346192), (1124, 249172), (1232, 227329), (1618, 173096), (1967, 142384), (2248, 124586), (3091, 90608), (3236, 86548), (3934, 71192), (4496, 62293), (5663, 49456), (6182, 45304), (6472, 43274), (7868, 35596), (8899, 31472), (11326, 24728), (12364, 22652), (12944, 21637), (15736, 17798)]