7859390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 18040320

約数和(自身を除く): 10180930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 59, 70, 77, 110, 118, 154, 173, 295, 346, 385, 413, 590, 649, 770, 826, 865, 1211, 1298, 1730, 1903, 2065, 2422, 3245, 3806, 4130, 4543, 6055, 6490, 9086, 9515, 10207, 12110, 13321, 19030, 20414, 22715, 26642, 45430, 51035, 66605, 71449, 102070, 112277, 133210, 142898, 224554, 357245, 561385, 714490, 785939, 1122770, 1571878, 3929695, 7859390]

約数ペア:

[(1, 7859390), (2, 3929695), (5, 1571878), (7, 1122770), (10, 785939), (11, 714490), (14, 561385), (22, 357245), (35, 224554), (55, 142898), (59, 133210), (70, 112277), (77, 102070), (110, 71449), (118, 66605), (154, 51035), (173, 45430), (295, 26642), (346, 22715), (385, 20414), (413, 19030), (590, 13321), (649, 12110), (770, 10207), (826, 9515), (865, 9086), (1211, 6490), (1298, 6055), (1730, 4543), (1903, 4130), (2065, 3806), (2422, 3245)]