2129260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 5209344

約数和(自身を除く): 3080084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 227, 268, 335, 454, 469, 670, 908, 938, 1135, 1340, 1589, 1876, 2270, 2345, 3178, 4540, 4690, 6356, 7945, 9380, 15209, 15890, 30418, 31780, 60836, 76045, 106463, 152090, 212926, 304180, 425852, 532315, 1064630, 2129260]

約数ペア:

[(1, 2129260), (2, 1064630), (4, 532315), (5, 425852), (7, 304180), (10, 212926), (14, 152090), (20, 106463), (28, 76045), (35, 60836), (67, 31780), (70, 30418), (134, 15890), (140, 15209), (227, 9380), (268, 7945), (335, 6356), (454, 4690), (469, 4540), (670, 3178), (908, 2345), (938, 2270), (1135, 1876), (1340, 1589)]