9678620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 23405760

約数和(自身を除く): 13727140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 269, 514, 538, 1028, 1076, 1285, 1345, 1799, 1883, 2570, 2690, 3598, 3766, 5140, 5380, 7196, 7532, 8995, 9415, 17990, 18830, 35980, 37660, 69133, 138266, 276532, 345665, 483931, 691330, 967862, 1382660, 1935724, 2419655, 4839310, 9678620]

約数ペア:

[(1, 9678620), (2, 4839310), (4, 2419655), (5, 1935724), (7, 1382660), (10, 967862), (14, 691330), (20, 483931), (28, 345665), (35, 276532), (70, 138266), (140, 69133), (257, 37660), (269, 35980), (514, 18830), (538, 17990), (1028, 9415), (1076, 8995), (1285, 7532), (1345, 7196), (1799, 5380), (1883, 5140), (2570, 3766), (2690, 3598)]