53106340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2729}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 128419200

約数和(自身を除く): 75312860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2729, 2780, 3892, 4865, 5458, 9730, 10916, 13645, 19103, 19460, 27290, 38206, 54580, 76412, 95515, 191030, 379331, 382060, 758662, 1517324, 1896655, 2655317, 3793310, 5310634, 7586620, 10621268, 13276585, 26553170, 53106340]

約数ペア:

[(1, 53106340), (2, 26553170), (4, 13276585), (5, 10621268), (7, 7586620), (10, 5310634), (14, 3793310), (20, 2655317), (28, 1896655), (35, 1517324), (70, 758662), (139, 382060), (140, 379331), (278, 191030), (556, 95515), (695, 76412), (973, 54580), (1390, 38206), (1946, 27290), (2729, 19460), (2780, 19103), (3892, 13645), (4865, 10916), (5458, 9730)]