131431160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{469397}}^1$

素因数の和:469415

約数の個数: 32

約数和(自身を含む): 337966560

約数和(自身を除く): 206535400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 469397, 938794, 1877588, 2346985, 3285779, 3755176, 4693970, 6571558, 9387940, 13143116, 16428895, 18775880, 26286232, 32857790, 65715580, 131431160]

約数ペア:

[(1, 131431160), (2, 65715580), (4, 32857790), (5, 26286232), (7, 18775880), (8, 16428895), (10, 13143116), (14, 9387940), (20, 6571558), (28, 4693970), (35, 3755176), (40, 3285779), (56, 2346985), (70, 1877588), (140, 938794), (280, 469397)]