11812220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 28600320

約数和(自身を除く): 16788100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 607, 695, 973, 1214, 1390, 1946, 2428, 2780, 3035, 3892, 4249, 4865, 6070, 8498, 9730, 12140, 16996, 19460, 21245, 42490, 84373, 84980, 168746, 337492, 421865, 590611, 843730, 1181222, 1687460, 2362444, 2953055, 5906110, 11812220]

約数ペア:

[(1, 11812220), (2, 5906110), (4, 2953055), (5, 2362444), (7, 1687460), (10, 1181222), (14, 843730), (20, 590611), (28, 421865), (35, 337492), (70, 168746), (139, 84980), (140, 84373), (278, 42490), (556, 21245), (607, 19460), (695, 16996), (973, 12140), (1214, 9730), (1390, 8498), (1946, 6070), (2428, 4865), (2780, 4249), (3035, 3892)]