127811140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 278659584

約数和(自身を除く): 150848444

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 620, 844, 977, 1055, 1954, 2110, 3908, 4220, 4885, 6541, 9770, 13082, 19540, 26164, 30287, 32705, 60574, 65410, 121148, 130820, 151435, 206147, 302870, 412294, 605740, 824588, 1030735, 2061470, 4122940, 6390557, 12781114, 25562228, 31952785, 63905570, 127811140]

約数ペア:

[(1, 127811140), (2, 63905570), (4, 31952785), (5, 25562228), (10, 12781114), (20, 6390557), (31, 4122940), (62, 2061470), (124, 1030735), (155, 824588), (211, 605740), (310, 412294), (422, 302870), (620, 206147), (844, 151435), (977, 130820), (1055, 121148), (1954, 65410), (2110, 60574), (3908, 32705), (4220, 30287), (4885, 26164), (6541, 19540), (9770, 13082)]