279779588

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 575581440

約数和(自身を除く): 295801852

約数列:

[1, 2, 4, 11, 22, 29, 31, 44, 58, 62, 116, 121, 124, 242, 319, 341, 484, 638, 643, 682, 899, 1276, 1286, 1364, 1798, 2572, 3509, 3596, 3751, 7018, 7073, 7502, 9889, 14036, 14146, 15004, 18647, 19778, 19933, 28292, 37294, 39556, 39866, 74588, 77803, 79732, 108779, 155606, 205117, 217558, 219263, 311212, 410234, 435116, 438526, 578057, 820468, 877052, 1156114, 2256287, 2312228, 2411893, 4512574, 4823786, 6358627, 9025148, 9647572, 12717254, 25434508, 69944897, 139889794, 279779588]

約数ペア:

[(1, 279779588), (2, 139889794), (4, 69944897), (11, 25434508), (22, 12717254), (29, 9647572), (31, 9025148), (44, 6358627), (58, 4823786), (62, 4512574), (116, 2411893), (121, 2312228), (124, 2256287), (242, 1156114), (319, 877052), (341, 820468), (484, 578057), (638, 438526), (643, 435116), (682, 410234), (899, 311212), (1276, 219263), (1286, 217558), (1364, 205117), (1798, 155606), (2572, 108779), (3509, 79732), (3596, 77803), (3751, 74588), (7018, 39866), (7073, 39556), (7502, 37294), (9889, 28292), (14036, 19933), (14146, 19778), (15004, 18647)]