101780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{727}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 244608

約数和(自身を除く): 142828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 727, 1454, 2908, 3635, 5089, 7270, 10178, 14540, 20356, 25445, 50890, 101780]

約数ペア:

[(1, 101780), (2, 50890), (4, 25445), (5, 20356), (7, 14540), (10, 10178), (14, 7270), (20, 5089), (28, 3635), (35, 2908), (70, 1454), (140, 727)]