206168340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{490877}}^1$

素因数の和:490896

約数の個数: 48

約数和(自身を含む): 659740032

約数和(自身を除く): 453571692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 490877, 981754, 1472631, 1963508, 2454385, 2945262, 3436139, 4908770, 5890524, 6872278, 7363155, 9817540, 10308417, 13744556, 14726310, 17180695, 20616834, 29452620, 34361390, 41233668, 51542085, 68722780, 103084170, 206168340]

約数ペア:

[(1, 206168340), (2, 103084170), (3, 68722780), (4, 51542085), (5, 41233668), (6, 34361390), (7, 29452620), (10, 20616834), (12, 17180695), (14, 14726310), (15, 13744556), (20, 10308417), (21, 9817540), (28, 7363155), (30, 6872278), (35, 5890524), (42, 4908770), (60, 3436139), (70, 2945262), (84, 2454385), (105, 1963508), (140, 1472631), (210, 981754), (420, 490877)]