16716140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 40454400

約数和(自身を除く): 23738260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 859, 973, 1390, 1718, 1946, 2780, 3436, 3892, 4295, 4865, 6013, 8590, 9730, 12026, 17180, 19460, 24052, 30065, 60130, 119401, 120260, 238802, 477604, 597005, 835807, 1194010, 1671614, 2388020, 3343228, 4179035, 8358070, 16716140]

約数ペア:

[(1, 16716140), (2, 8358070), (4, 4179035), (5, 3343228), (7, 2388020), (10, 1671614), (14, 1194010), (20, 835807), (28, 597005), (35, 477604), (70, 238802), (139, 120260), (140, 119401), (278, 60130), (556, 30065), (695, 24052), (859, 19460), (973, 17180), (1390, 12026), (1718, 9730), (1946, 8590), (2780, 6013), (3436, 4865), (3892, 4295)]