5409880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^2$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 14011920

約数和(自身を除く): 8602040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5560, 7784, 9730, 19321, 19460, 38642, 38920, 77284, 96605, 135247, 154568, 193210, 270494, 386420, 540988, 676235, 772840, 1081976, 1352470, 2704940, 5409880]

約数ペア:

[(1, 5409880), (2, 2704940), (4, 1352470), (5, 1081976), (7, 772840), (8, 676235), (10, 540988), (14, 386420), (20, 270494), (28, 193210), (35, 154568), (40, 135247), (56, 96605), (70, 77284), (139, 38920), (140, 38642), (278, 19460), (280, 19321), (556, 9730), (695, 7784), (973, 5560), (1112, 4865), (1390, 3892), (1946, 2780)]