2783196220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19879973}}^1$

素因数の和:19879989

約数の個数: 24

約数和(自身を含む): 6679671264

約数和(自身を除く): 3896475044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19879973, 39759946, 79519892, 99399865, 139159811, 198799730, 278319622, 397599460, 556639244, 695799055, 1391598110, 2783196220]

約数ペア:

[(1, 2783196220), (2, 1391598110), (4, 695799055), (5, 556639244), (7, 397599460), (10, 278319622), (14, 198799730), (20, 139159811), (28, 99399865), (35, 79519892), (70, 39759946), (140, 19879973)]