158340790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^2\times {\mathrm{1999}}^1$

素因数の和:2184

約数の個数: 24

約数和(自身を含む): 288396000

約数和(自身を除く): 130055210

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1999, 3998, 7921, 9995, 15842, 19990, 39605, 79210, 177911, 355822, 889555, 1779110, 15834079, 31668158, 79170395, 158340790]

約数ペア:

[(1, 158340790), (2, 79170395), (5, 31668158), (10, 15834079), (89, 1779110), (178, 889555), (445, 355822), (890, 177911), (1999, 79210), (3998, 39605), (7921, 19990), (9995, 15842)]