1372840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4903}}^1$

素因数の和:4921

約数の個数: 32

約数和(自身を含む): 3530880

約数和(自身を除く): 2158040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4903, 9806, 19612, 24515, 34321, 39224, 49030, 68642, 98060, 137284, 171605, 196120, 274568, 343210, 686420, 1372840]

約数ペア:

[(1, 1372840), (2, 686420), (4, 343210), (5, 274568), (7, 196120), (8, 171605), (10, 137284), (14, 98060), (20, 68642), (28, 49030), (35, 39224), (40, 34321), (56, 24515), (70, 19612), (140, 9806), (280, 4903)]