201555940

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{28549}}^1$

素因数の和:28911

約数の個数: 24

約数和(自身を含む): 424481400

約数和(自身を除く): 222925460

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 28549, 57098, 114196, 142745, 285490, 570980, 10077797, 20155594, 40311188, 50388985, 100777970, 201555940]

約数ペア:

[(1, 201555940), (2, 100777970), (4, 50388985), (5, 40311188), (10, 20155594), (20, 10077797), (353, 570980), (706, 285490), (1412, 142745), (1765, 114196), (3530, 57098), (7060, 28549)]