123879980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{884857}}^1$

素因数の和:884873

約数の個数: 24

約数和(自身を含む): 297312288

約数和(自身を除く): 173432308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 884857, 1769714, 3539428, 4424285, 6193999, 8848570, 12387998, 17697140, 24775996, 30969995, 61939990, 123879980]

約数ペア:

[(1, 123879980), (2, 61939990), (4, 30969995), (5, 24775996), (7, 17697140), (10, 12387998), (14, 8848570), (20, 6193999), (28, 4424285), (35, 3539428), (70, 1769714), (140, 884857)]