208302920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{106277}}^1$

素因数の和:106302

約数の個数: 48

約数和(自身を含む): 545206140

約数和(自身を除く): 336903220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 106277, 212554, 425108, 531385, 743939, 850216, 1062770, 1487878, 2125540, 2975756, 3719695, 4251080, 5207573, 5951512, 7439390, 10415146, 14878780, 20830292, 26037865, 29757560, 41660584, 52075730, 104151460, 208302920]

約数ペア:

[(1, 208302920), (2, 104151460), (4, 52075730), (5, 41660584), (7, 29757560), (8, 26037865), (10, 20830292), (14, 14878780), (20, 10415146), (28, 7439390), (35, 5951512), (40, 5207573), (49, 4251080), (56, 3719695), (70, 2975756), (98, 2125540), (140, 1487878), (196, 1062770), (245, 850216), (280, 743939), (392, 531385), (490, 425108), (980, 212554), (1960, 106277)]