208784660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3719}}^1$

素因数の和:4136

約数の個数: 48

約数和(自身を含む): 502467840

約数和(自身を除く): 293683180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 3719, 4010, 5614, 7438, 8020, 11228, 14035, 14876, 18595, 26033, 28070, 37190, 52066, 56140, 74380, 104132, 130165, 260330, 520660, 1491319, 2982638, 5965276, 7456595, 10439233, 14913190, 20878466, 29826380, 41756932, 52196165, 104392330, 208784660]

約数ペア:

[(1, 208784660), (2, 104392330), (4, 52196165), (5, 41756932), (7, 29826380), (10, 20878466), (14, 14913190), (20, 10439233), (28, 7456595), (35, 5965276), (70, 2982638), (140, 1491319), (401, 520660), (802, 260330), (1604, 130165), (2005, 104132), (2807, 74380), (3719, 56140), (4010, 52066), (5614, 37190), (7438, 28070), (8020, 26033), (11228, 18595), (14035, 14876)]