109307420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{27743}}^1$

素因数の和:27949

約数の個数: 24

約数和(自身を含む): 230719104

約数和(自身を除く): 121411684

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 27743, 55486, 110972, 138715, 277430, 554860, 5465371, 10930742, 21861484, 27326855, 54653710, 109307420]

約数ペア:

[(1, 109307420), (2, 54653710), (4, 27326855), (5, 21861484), (10, 10930742), (20, 5465371), (197, 554860), (394, 277430), (788, 138715), (985, 110972), (1970, 55486), (3940, 27743)]