3971380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 10039680

約数和(自身を除く): 6068300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1493, 2660, 2986, 5972, 7465, 10451, 14930, 20902, 28367, 29860, 41804, 52255, 56734, 104510, 113468, 141835, 198569, 209020, 283670, 397138, 567340, 794276, 992845, 1985690, 3971380]

約数ペア:

[(1, 3971380), (2, 1985690), (4, 992845), (5, 794276), (7, 567340), (10, 397138), (14, 283670), (19, 209020), (20, 198569), (28, 141835), (35, 113468), (38, 104510), (70, 56734), (76, 52255), (95, 41804), (133, 29860), (140, 28367), (190, 20902), (266, 14930), (380, 10451), (532, 7465), (665, 5972), (1330, 2986), (1493, 2660)]