203424940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{143257}}^1$

素因数の和:143337

約数の個数: 24

約数和(自身を含む): 433212192

約数和(自身を除く): 229787252

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 143257, 286514, 573028, 716285, 1432570, 2865140, 10171247, 20342494, 40684988, 50856235, 101712470, 203424940]

約数ペア:

[(1, 203424940), (2, 101712470), (4, 50856235), (5, 40684988), (10, 20342494), (20, 10171247), (71, 2865140), (142, 1432570), (284, 716285), (355, 573028), (710, 286514), (1420, 143257)]