836289020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1493}}^1\times {\mathrm{4001}}^1$

素因数の和:5510

約数の個数: 48

約数和(自身を含む): 2008939968

約数和(自身を除く): 1172650948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1493, 2986, 4001, 5972, 7465, 8002, 10451, 14930, 16004, 20005, 20902, 28007, 29860, 40010, 41804, 52255, 56014, 80020, 104510, 112028, 140035, 209020, 280070, 560140, 5973493, 11946986, 23893972, 29867465, 41814451, 59734930, 83628902, 119469860, 167257804, 209072255, 418144510, 836289020]

約数ペア:

[(1, 836289020), (2, 418144510), (4, 209072255), (5, 167257804), (7, 119469860), (10, 83628902), (14, 59734930), (20, 41814451), (28, 29867465), (35, 23893972), (70, 11946986), (140, 5973493), (1493, 560140), (2986, 280070), (4001, 209020), (5972, 140035), (7465, 112028), (8002, 104510), (10451, 80020), (14930, 56014), (16004, 52255), (20005, 41804), (20902, 40010), (28007, 29860)]