7847940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{941}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 22155840

約数和(自身を除く): 14307900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 941, 1390, 1668, 1882, 2085, 2780, 2823, 3764, 4170, 4705, 5646, 8340, 9410, 11292, 14115, 18820, 28230, 56460, 130799, 261598, 392397, 523196, 653995, 784794, 1307990, 1569588, 1961985, 2615980, 3923970, 7847940]

約数ペア:

[(1, 7847940), (2, 3923970), (3, 2615980), (4, 1961985), (5, 1569588), (6, 1307990), (10, 784794), (12, 653995), (15, 523196), (20, 392397), (30, 261598), (60, 130799), (139, 56460), (278, 28230), (417, 18820), (556, 14115), (695, 11292), (834, 9410), (941, 8340), (1390, 5646), (1668, 4705), (1882, 4170), (2085, 3764), (2780, 2823)]