200640304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{660001}}^1$

素因数の和:660028

約数の個数: 20

約数和(自身を含む): 409201240

約数和(自身を除く): 208560936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 660001, 1320002, 2640004, 5280008, 10560016, 12540019, 25080038, 50160076, 100320152, 200640304]

約数ペア:

[(1, 200640304), (2, 100320152), (4, 50160076), (8, 25080038), (16, 12540019), (19, 10560016), (38, 5280008), (76, 2640004), (152, 1320002), (304, 660001)]