189609880

素因数分解:

$2^3\times 5^1\times {\mathrm{4740247}}^1$

素因数の和:4740258

約数の個数: 16

約数和(自身を含む): 426622320

約数和(自身を除く): 237012440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4740247, 9480494, 18960988, 23701235, 37921976, 47402470, 94804940, 189609880]

約数ペア:

[(1, 189609880), (2, 94804940), (4, 47402470), (5, 37921976), (8, 23701235), (10, 18960988), (20, 9480494), (40, 4740247)]