1280200030

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1\times {\mathrm{3433}}^1$

素因数の和:3948

約数の個数: 32

約数和(自身を含む): 2336493600

約数和(自身を除く): 1056293570

約数列:

[1, 2, 5, 10, 89, 178, 419, 445, 838, 890, 2095, 3433, 4190, 6866, 17165, 34330, 37291, 74582, 186455, 305537, 372910, 611074, 1438427, 1527685, 2876854, 3055370, 7192135, 14384270, 128020003, 256040006, 640100015, 1280200030]

約数ペア:

[(1, 1280200030), (2, 640100015), (5, 256040006), (10, 128020003), (89, 14384270), (178, 7192135), (419, 3055370), (445, 2876854), (838, 1527685), (890, 1438427), (2095, 611074), (3433, 372910), (4190, 305537), (6866, 186455), (17165, 74582), (34330, 37291)]