1379719880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{447961}}^1$

素因数の和:447990

約数の個数: 64

約数和(自身を含む): 3870391680

約数和(自身を除く): 2490671800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 447961, 895922, 1791844, 2239805, 3135727, 3583688, 4479610, 4927571, 6271454, 8959220, 9855142, 12542908, 15678635, 17918440, 19710284, 24637855, 25085816, 31357270, 34492997, 39420568, 49275710, 62714540, 68985994, 98551420, 125429080, 137971988, 172464985, 197102840, 275943976, 344929970, 689859940, 1379719880]

約数ペア:

[(1, 1379719880), (2, 689859940), (4, 344929970), (5, 275943976), (7, 197102840), (8, 172464985), (10, 137971988), (11, 125429080), (14, 98551420), (20, 68985994), (22, 62714540), (28, 49275710), (35, 39420568), (40, 34492997), (44, 31357270), (55, 25085816), (56, 24637855), (70, 19710284), (77, 17918440), (88, 15678635), (110, 12542908), (140, 9855142), (154, 8959220), (220, 6271454), (280, 4927571), (308, 4479610), (385, 3583688), (440, 3135727), (616, 2239805), (770, 1791844), (1540, 895922), (3080, 447961)]