2792440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9973}}^1$

素因数の和:9991

約数の個数: 32

約数和(自身を含む): 7181280

約数和(自身を除く): 4388840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9973, 19946, 39892, 49865, 69811, 79784, 99730, 139622, 199460, 279244, 349055, 398920, 558488, 698110, 1396220, 2792440]

約数ペア:

[(1, 2792440), (2, 1396220), (4, 698110), (5, 558488), (7, 398920), (8, 349055), (10, 279244), (14, 199460), (20, 139622), (28, 99730), (35, 79784), (40, 69811), (56, 49865), (70, 39892), (140, 19946), (280, 9973)]