2940040558

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{2879}}^1$

素因数の和:3113

約数の個数: 64

約数和(自身を含む): 5635768320

約数和(自身を除く): 2695727762

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 181, 182, 217, 362, 403, 434, 806, 1267, 2353, 2534, 2821, 2879, 4706, 5611, 5642, 5758, 11222, 16471, 20153, 32942, 37427, 39277, 40306, 72943, 74854, 78554, 89249, 145886, 178498, 261989, 510601, 521099, 523978, 624743, 1021202, 1042198, 1160237, 1249486, 2320474, 3647693, 6774287, 7295386, 8121659, 13548574, 16154069, 16243318, 32308138, 47420009, 94840018, 113078483, 210002897, 226156966, 420005794, 1470020279, 2940040558]

約数ペア:

[(1, 2940040558), (2, 1470020279), (7, 420005794), (13, 226156966), (14, 210002897), (26, 113078483), (31, 94840018), (62, 47420009), (91, 32308138), (181, 16243318), (182, 16154069), (217, 13548574), (362, 8121659), (403, 7295386), (434, 6774287), (806, 3647693), (1267, 2320474), (2353, 1249486), (2534, 1160237), (2821, 1042198), (2879, 1021202), (4706, 624743), (5611, 523978), (5642, 521099), (5758, 510601), (11222, 261989), (16471, 178498), (20153, 145886), (32942, 89249), (37427, 78554), (39277, 74854), (40306, 72943)]