6986140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 16934400

約数和(自身を除く): 9948260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 359, 556, 695, 718, 973, 1390, 1436, 1795, 1946, 2513, 2780, 3590, 3892, 4865, 5026, 7180, 9730, 10052, 12565, 19460, 25130, 49901, 50260, 99802, 199604, 249505, 349307, 499010, 698614, 998020, 1397228, 1746535, 3493070, 6986140]

約数ペア:

[(1, 6986140), (2, 3493070), (4, 1746535), (5, 1397228), (7, 998020), (10, 698614), (14, 499010), (20, 349307), (28, 249505), (35, 199604), (70, 99802), (139, 50260), (140, 49901), (278, 25130), (359, 19460), (556, 12565), (695, 10052), (718, 9730), (973, 7180), (1390, 5026), (1436, 4865), (1795, 3892), (1946, 3590), (2513, 2780)]