51884980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{761}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 124943616

約数和(自身を除く): 73058636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 761, 974, 1522, 1948, 2435, 3044, 3409, 3805, 4870, 5327, 6818, 7610, 9740, 10654, 13636, 15220, 17045, 21308, 26635, 34090, 53270, 68180, 106540, 370607, 741214, 1482428, 1853035, 2594249, 3706070, 5188498, 7412140, 10376996, 12971245, 25942490, 51884980]

約数ペア:

[(1, 51884980), (2, 25942490), (4, 12971245), (5, 10376996), (7, 7412140), (10, 5188498), (14, 3706070), (20, 2594249), (28, 1853035), (35, 1482428), (70, 741214), (140, 370607), (487, 106540), (761, 68180), (974, 53270), (1522, 34090), (1948, 26635), (2435, 21308), (3044, 17045), (3409, 15220), (3805, 13636), (4870, 10654), (5327, 9740), (6818, 7610)]