354340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2531}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 850752

約数和(自身を除く): 496412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2531, 5062, 10124, 12655, 17717, 25310, 35434, 50620, 70868, 88585, 177170, 354340]

約数ペア:

[(1, 354340), (2, 177170), (4, 88585), (5, 70868), (7, 50620), (10, 35434), (14, 25310), (20, 17717), (28, 12655), (35, 10124), (70, 5062), (140, 2531)]