2704940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^2$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 6538896

約数和(自身を除く): 3833956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19321, 19460, 38642, 77284, 96605, 135247, 193210, 270494, 386420, 540988, 676235, 1352470, 2704940]

約数ペア:

[(1, 2704940), (2, 1352470), (4, 676235), (5, 540988), (7, 386420), (10, 270494), (14, 193210), (20, 135247), (28, 96605), (35, 77284), (70, 38642), (139, 19460), (140, 19321), (278, 9730), (556, 4865), (695, 3892), (973, 2780), (1390, 1946)]