220177972

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 466565064

約数和(自身を除く): 246387092

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 97, 98, 148, 194, 196, 259, 313, 388, 518, 626, 679, 1036, 1252, 1358, 1813, 2191, 2716, 3589, 3626, 4382, 4753, 7178, 7252, 8764, 9506, 11581, 14356, 15337, 19012, 23162, 25123, 30361, 30674, 46324, 50246, 60722, 61348, 81067, 100492, 121444, 162134, 175861, 212527, 324268, 351722, 425054, 567469, 703444, 850108, 1123357, 1134938, 1487689, 2246714, 2269876, 2975378, 4493428, 5950756, 7863499, 15726998, 31453996, 55044493, 110088986, 220177972]

約数ペア:

[(1, 220177972), (2, 110088986), (4, 55044493), (7, 31453996), (14, 15726998), (28, 7863499), (37, 5950756), (49, 4493428), (74, 2975378), (97, 2269876), (98, 2246714), (148, 1487689), (194, 1134938), (196, 1123357), (259, 850108), (313, 703444), (388, 567469), (518, 425054), (626, 351722), (679, 324268), (1036, 212527), (1252, 175861), (1358, 162134), (1813, 121444), (2191, 100492), (2716, 81067), (3589, 61348), (3626, 60722), (4382, 50246), (4753, 46324), (7178, 30674), (7252, 30361), (8764, 25123), (9506, 23162), (11581, 19012), (14356, 15337)]