100390640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179269}}^1$

素因数の和:179289

約数の個数: 40

約数和(自身を含む): 266753760

約数和(自身を除く): 166363120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 179269, 358538, 717076, 896345, 1254883, 1434152, 1792690, 2509766, 2868304, 3585380, 5019532, 6274415, 7170760, 10039064, 12548830, 14341520, 20078128, 25097660, 50195320, 100390640]

約数ペア:

[(1, 100390640), (2, 50195320), (4, 25097660), (5, 20078128), (7, 14341520), (8, 12548830), (10, 10039064), (14, 7170760), (16, 6274415), (20, 5019532), (28, 3585380), (35, 2868304), (40, 2509766), (56, 1792690), (70, 1434152), (80, 1254883), (112, 896345), (140, 717076), (280, 358538), (560, 179269)]