9107980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 22208256

約数和(自身を除く): 13100276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 971, 1340, 1876, 1942, 2345, 3884, 4690, 4855, 6797, 9380, 9710, 13594, 19420, 27188, 33985, 65057, 67970, 130114, 135940, 260228, 325285, 455399, 650570, 910798, 1301140, 1821596, 2276995, 4553990, 9107980]

約数ペア:

[(1, 9107980), (2, 4553990), (4, 2276995), (5, 1821596), (7, 1301140), (10, 910798), (14, 650570), (20, 455399), (28, 325285), (35, 260228), (67, 135940), (70, 130114), (134, 67970), (140, 65057), (268, 33985), (335, 27188), (469, 19420), (670, 13594), (938, 9710), (971, 9380), (1340, 6797), (1876, 4855), (1942, 4690), (2345, 3884)]