2721320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9719}}^1$

素因数の和:9737

約数の個数: 32

約数和(自身を含む): 6998400

約数和(自身を除く): 4277080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9719, 19438, 38876, 48595, 68033, 77752, 97190, 136066, 194380, 272132, 340165, 388760, 544264, 680330, 1360660, 2721320]

約数ペア:

[(1, 2721320), (2, 1360660), (4, 680330), (5, 544264), (7, 388760), (8, 340165), (10, 272132), (14, 194380), (20, 136066), (28, 97190), (35, 77752), (40, 68033), (56, 48595), (70, 38876), (140, 19438), (280, 9719)]