277940260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1069001}}^1$

素因数の和:1069023

約数の個数: 24

約数和(自身を含む): 628573176

約数和(自身を除く): 350632916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1069001, 2138002, 4276004, 5345005, 10690010, 13897013, 21380020, 27794026, 55588052, 69485065, 138970130, 277940260]

約数ペア:

[(1, 277940260), (2, 138970130), (4, 69485065), (5, 55588052), (10, 27794026), (13, 21380020), (20, 13897013), (26, 10690010), (52, 5345005), (65, 4276004), (130, 2138002), (260, 1069001)]