249382364

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1255

約数の個数: 72

約数和(自身を含む): 559698048

約数和(自身を除く): 310315684

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 103, 154, 196, 206, 308, 412, 539, 721, 1078, 1123, 1133, 1442, 2156, 2246, 2266, 2884, 4492, 4532, 5047, 7861, 7931, 10094, 12353, 15722, 15862, 20188, 24706, 31444, 31724, 49412, 55027, 55517, 86471, 110054, 111034, 115669, 172942, 220108, 222068, 231338, 345884, 462676, 605297, 809683, 1210594, 1272359, 1619366, 2421188, 2544718, 3238732, 5089436, 5667781, 8906513, 11335562, 17813026, 22671124, 35626052, 62345591, 124691182, 249382364]

約数ペア:

[(1, 249382364), (2, 124691182), (4, 62345591), (7, 35626052), (11, 22671124), (14, 17813026), (22, 11335562), (28, 8906513), (44, 5667781), (49, 5089436), (77, 3238732), (98, 2544718), (103, 2421188), (154, 1619366), (196, 1272359), (206, 1210594), (308, 809683), (412, 605297), (539, 462676), (721, 345884), (1078, 231338), (1123, 222068), (1133, 220108), (1442, 172942), (2156, 115669), (2246, 111034), (2266, 110054), (2884, 86471), (4492, 55517), (4532, 55027), (5047, 49412), (7861, 31724), (7931, 31444), (10094, 24706), (12353, 20188), (15722, 15862)]