202018964

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 428478120

約数和(自身を除く): 226459156

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 89, 98, 148, 178, 196, 259, 313, 356, 518, 623, 626, 1036, 1246, 1252, 1813, 2191, 2492, 3293, 3626, 4361, 4382, 6586, 7252, 8722, 8764, 11581, 13172, 15337, 17444, 23051, 23162, 27857, 30674, 46102, 46324, 55714, 61348, 81067, 92204, 111428, 161357, 162134, 194999, 322714, 324268, 389998, 567469, 645428, 779996, 1030709, 1134938, 1364993, 2061418, 2269876, 2729986, 4122836, 5459972, 7214963, 14429926, 28859852, 50504741, 101009482, 202018964]

約数ペア:

[(1, 202018964), (2, 101009482), (4, 50504741), (7, 28859852), (14, 14429926), (28, 7214963), (37, 5459972), (49, 4122836), (74, 2729986), (89, 2269876), (98, 2061418), (148, 1364993), (178, 1134938), (196, 1030709), (259, 779996), (313, 645428), (356, 567469), (518, 389998), (623, 324268), (626, 322714), (1036, 194999), (1246, 162134), (1252, 161357), (1813, 111428), (2191, 92204), (2492, 81067), (3293, 61348), (3626, 55714), (4361, 46324), (4382, 46102), (6586, 30674), (7252, 27857), (8722, 23162), (8764, 23051), (11581, 17444), (13172, 15337)]