187804940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{132257}}^1$

素因数の和:132337

約数の個数: 24

約数和(自身を含む): 399948192

約数和(自身を除く): 212143252

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 132257, 264514, 529028, 661285, 1322570, 2645140, 9390247, 18780494, 37560988, 46951235, 93902470, 187804940]

約数ペア:

[(1, 187804940), (2, 93902470), (4, 46951235), (5, 37560988), (10, 18780494), (20, 9390247), (71, 2645140), (142, 1322570), (284, 661285), (355, 529028), (710, 264514), (1420, 132257)]