938780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 2001552

約数和(自身を除く): 1062772

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 643, 730, 1286, 1460, 2572, 3215, 6430, 12860, 46939, 93878, 187756, 234695, 469390, 938780]

約数ペア:

[(1, 938780), (2, 469390), (4, 234695), (5, 187756), (10, 93878), (20, 46939), (73, 12860), (146, 6430), (292, 3215), (365, 2572), (643, 1460), (730, 1286)]