2947280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 8273280

約数和(自身を除く): 5326000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 277, 280, 304, 380, 532, 554, 560, 665, 760, 1064, 1108, 1330, 1385, 1520, 1939, 2128, 2216, 2660, 2770, 3878, 4432, 5263, 5320, 5540, 7756, 9695, 10526, 10640, 11080, 15512, 19390, 21052, 22160, 26315, 31024, 36841, 38780, 42104, 52630, 73682, 77560, 84208, 105260, 147364, 155120, 184205, 210520, 294728, 368410, 421040, 589456, 736820, 1473640, 2947280]

約数ペア:

[(1, 2947280), (2, 1473640), (4, 736820), (5, 589456), (7, 421040), (8, 368410), (10, 294728), (14, 210520), (16, 184205), (19, 155120), (20, 147364), (28, 105260), (35, 84208), (38, 77560), (40, 73682), (56, 52630), (70, 42104), (76, 38780), (80, 36841), (95, 31024), (112, 26315), (133, 22160), (140, 21052), (152, 19390), (190, 15512), (266, 11080), (277, 10640), (280, 10526), (304, 9695), (380, 7756), (532, 5540), (554, 5320), (560, 5263), (665, 4432), (760, 3878), (1064, 2770), (1108, 2660), (1330, 2216), (1385, 2128), (1520, 1939)]