13797140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 33398400

約数和(自身を除く): 19601260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 709, 973, 1390, 1418, 1946, 2780, 2836, 3545, 3892, 4865, 4963, 7090, 9730, 9926, 14180, 19460, 19852, 24815, 49630, 98551, 99260, 197102, 394204, 492755, 689857, 985510, 1379714, 1971020, 2759428, 3449285, 6898570, 13797140]

約数ペア:

[(1, 13797140), (2, 6898570), (4, 3449285), (5, 2759428), (7, 1971020), (10, 1379714), (14, 985510), (20, 689857), (28, 492755), (35, 394204), (70, 197102), (139, 99260), (140, 98551), (278, 49630), (556, 24815), (695, 19852), (709, 19460), (973, 14180), (1390, 9926), (1418, 9730), (1946, 7090), (2780, 4963), (2836, 4865), (3545, 3892)]