1396220

素因数分解:

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

素因数の和:9989

約数の個数: 24

約数和(自身を含む): 3351264

約数和(自身を除く): 1955044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9973, 19946, 39892, 49865, 69811, 99730, 139622, 199460, 279244, 349055, 698110, 1396220]

約数ペア:

[(1, 1396220), (2, 698110), (4, 349055), (5, 279244), (7, 199460), (10, 139622), (14, 99730), (20, 69811), (28, 49865), (35, 39892), (70, 19946), (140, 9973)]