121861880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{435221}}^1$

素因数の和:435239

約数の個数: 32

約数和(自身を含む): 313359840

約数和(自身を除く): 191497960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 435221, 870442, 1740884, 2176105, 3046547, 3481768, 4352210, 6093094, 8704420, 12186188, 15232735, 17408840, 24372376, 30465470, 60930940, 121861880]

約数ペア:

[(1, 121861880), (2, 60930940), (4, 30465470), (5, 24372376), (7, 17408840), (8, 15232735), (10, 12186188), (14, 8704420), (20, 6093094), (28, 4352210), (35, 3481768), (40, 3046547), (56, 2176105), (70, 1740884), (140, 870442), (280, 435221)]