9721880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{34721}}^1$

素因数の和:34739

約数の個数: 32

約数和(自身を含む): 24999840

約数和(自身を除く): 15277960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 34721, 69442, 138884, 173605, 243047, 277768, 347210, 486094, 694420, 972188, 1215235, 1388840, 1944376, 2430470, 4860940, 9721880]

約数ペア:

[(1, 9721880), (2, 4860940), (4, 2430470), (5, 1944376), (7, 1388840), (8, 1215235), (10, 972188), (14, 694420), (20, 486094), (28, 347210), (35, 277768), (40, 243047), (56, 173605), (70, 138884), (140, 69442), (280, 34721)]