201919790

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{44971}}^1$

素因数の和:45427

約数の個数: 16

約数和(自身を含む): 364273200

約数和(自身を除く): 162353410

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 44971, 89942, 224855, 449710, 20191979, 40383958, 100959895, 201919790]

約数ペア:

[(1, 201919790), (2, 100959895), (5, 40383958), (10, 20191979), (449, 449710), (898, 224855), (2245, 89942), (4490, 44971)]