200840920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{717289}}^1$

素因数の和:717307

約数の個数: 32

約数和(自身を含む): 516448800

約数和(自身を除く): 315607880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 717289, 1434578, 2869156, 3586445, 5021023, 5738312, 7172890, 10042046, 14345780, 20084092, 25105115, 28691560, 40168184, 50210230, 100420460, 200840920]

約数ペア:

[(1, 200840920), (2, 100420460), (4, 50210230), (5, 40168184), (7, 28691560), (8, 25105115), (10, 20084092), (14, 14345780), (20, 10042046), (28, 7172890), (35, 5738312), (40, 5021023), (56, 3586445), (70, 2869156), (140, 1434578), (280, 717289)]