22239980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2371}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 54195456

約数和(自身を除く): 31955476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 2371, 4690, 4742, 9380, 9484, 11855, 16597, 23710, 33194, 47420, 66388, 82985, 158857, 165970, 317714, 331940, 635428, 794285, 1111999, 1588570, 2223998, 3177140, 4447996, 5559995, 11119990, 22239980]

約数ペア:

[(1, 22239980), (2, 11119990), (4, 5559995), (5, 4447996), (7, 3177140), (10, 2223998), (14, 1588570), (20, 1111999), (28, 794285), (35, 635428), (67, 331940), (70, 317714), (134, 165970), (140, 158857), (268, 82985), (335, 66388), (469, 47420), (670, 33194), (938, 23710), (1340, 16597), (1876, 11855), (2345, 9484), (2371, 9380), (4690, 4742)]