205657980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311603}}^1$

素因数の和:311626

約数の個数: 48

約数和(自身を含む): 628193664

約数和(自身を除く): 422535684

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 311603, 623206, 934809, 1246412, 1558015, 1869618, 3116030, 3427633, 3739236, 4674045, 6232060, 6855266, 9348090, 10282899, 13710532, 17138165, 18696180, 20565798, 34276330, 41131596, 51414495, 68552660, 102828990, 205657980]

約数ペア:

[(1, 205657980), (2, 102828990), (3, 68552660), (4, 51414495), (5, 41131596), (6, 34276330), (10, 20565798), (11, 18696180), (12, 17138165), (15, 13710532), (20, 10282899), (22, 9348090), (30, 6855266), (33, 6232060), (44, 4674045), (55, 3739236), (60, 3427633), (66, 3116030), (110, 1869618), (132, 1558015), (165, 1246412), (220, 934809), (330, 623206), (660, 311603)]