142339480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{39983}}^1$

素因数の和:40083

約数の個数: 32

約数和(自身を含む): 323870400

約数和(自身を除く): 181530920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 39983, 79966, 159932, 199915, 319864, 399830, 799660, 1599320, 3558487, 7116974, 14233948, 17792435, 28467896, 35584870, 71169740, 142339480]

約数ペア:

[(1, 142339480), (2, 71169740), (4, 35584870), (5, 28467896), (8, 17792435), (10, 14233948), (20, 7116974), (40, 3558487), (89, 1599320), (178, 799660), (356, 399830), (445, 319864), (712, 199915), (890, 159932), (1780, 79966), (3560, 39983)]