17948140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128201}}^1$

素因数の和:128217

約数の個数: 24

約数和(自身を含む): 43075872

約数和(自身を除く): 25127732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128201, 256402, 512804, 641005, 897407, 1282010, 1794814, 2564020, 3589628, 4487035, 8974070, 17948140]

約数ペア:

[(1, 17948140), (2, 8974070), (4, 4487035), (5, 3589628), (7, 2564020), (10, 1794814), (14, 1282010), (20, 897407), (28, 641005), (35, 512804), (70, 256402), (140, 128201)]