249917890

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{55661}}^1$

素因数の和:56117

約数の個数: 16

約数和(自身を含む): 450862200

約数和(自身を除く): 200944310

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 55661, 111322, 278305, 556610, 24991789, 49983578, 124958945, 249917890]

約数ペア:

[(1, 249917890), (2, 124958945), (5, 49983578), (10, 24991789), (449, 556610), (898, 278305), (2245, 111322), (4490, 55661)]