280403772

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{19853}}^1$

素因数の和:19978

約数の個数: 48

約数和(自身を含む): 720461952

約数和(自身を除く): 440058180

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 107, 132, 214, 321, 428, 642, 1177, 1284, 2354, 3531, 4708, 7062, 14124, 19853, 39706, 59559, 79412, 119118, 218383, 238236, 436766, 655149, 873532, 1310298, 2124271, 2620596, 4248542, 6372813, 8497084, 12745626, 23366981, 25491252, 46733962, 70100943, 93467924, 140201886, 280403772]

約数ペア:

[(1, 280403772), (2, 140201886), (3, 93467924), (4, 70100943), (6, 46733962), (11, 25491252), (12, 23366981), (22, 12745626), (33, 8497084), (44, 6372813), (66, 4248542), (107, 2620596), (132, 2124271), (214, 1310298), (321, 873532), (428, 655149), (642, 436766), (1177, 238236), (1284, 218383), (2354, 119118), (3531, 79412), (4708, 59559), (7062, 39706), (14124, 19853)]