209420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 453264

約数和(自身を除く): 243844

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 283, 370, 566, 740, 1132, 1415, 2830, 5660, 10471, 20942, 41884, 52355, 104710, 209420]

約数ペア:

[(1, 209420), (2, 104710), (4, 52355), (5, 41884), (10, 20942), (20, 10471), (37, 5660), (74, 2830), (148, 1415), (185, 1132), (283, 740), (370, 566)]