1707020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 4173120

約数和(自身を除く): 2466100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 137, 140, 178, 274, 356, 445, 548, 623, 685, 890, 959, 1246, 1370, 1780, 1918, 2492, 2740, 3115, 3836, 4795, 6230, 9590, 12193, 12460, 19180, 24386, 48772, 60965, 85351, 121930, 170702, 243860, 341404, 426755, 853510, 1707020]

約数ペア:

[(1, 1707020), (2, 853510), (4, 426755), (5, 341404), (7, 243860), (10, 170702), (14, 121930), (20, 85351), (28, 60965), (35, 48772), (70, 24386), (89, 19180), (137, 12460), (140, 12193), (178, 9590), (274, 6230), (356, 4795), (445, 3836), (548, 3115), (623, 2740), (685, 2492), (890, 1918), (959, 1780), (1246, 1370)]