123711420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{294551}}^1$

素因数の和:294570

約数の個数: 48

約数和(自身を含む): 395877888

約数和(自身を除く): 272166468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 294551, 589102, 883653, 1178204, 1472755, 1767306, 2061857, 2945510, 3534612, 4123714, 4418265, 5891020, 6185571, 8247428, 8836530, 10309285, 12371142, 17673060, 20618570, 24742284, 30927855, 41237140, 61855710, 123711420]

約数ペア:

[(1, 123711420), (2, 61855710), (3, 41237140), (4, 30927855), (5, 24742284), (6, 20618570), (7, 17673060), (10, 12371142), (12, 10309285), (14, 8836530), (15, 8247428), (20, 6185571), (21, 5891020), (28, 4418265), (30, 4123714), (35, 3534612), (42, 2945510), (60, 2061857), (70, 1767306), (84, 1472755), (105, 1178204), (140, 883653), (210, 589102), (420, 294551)]