7667240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 19958400

約数和(自身を除く): 12291160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 197, 278, 280, 394, 556, 695, 788, 973, 985, 1112, 1379, 1390, 1576, 1946, 1970, 2758, 2780, 3892, 3940, 4865, 5516, 5560, 6895, 7784, 7880, 9730, 11032, 13790, 19460, 27383, 27580, 38920, 54766, 55160, 109532, 136915, 191681, 219064, 273830, 383362, 547660, 766724, 958405, 1095320, 1533448, 1916810, 3833620, 7667240]

約数ペア:

[(1, 7667240), (2, 3833620), (4, 1916810), (5, 1533448), (7, 1095320), (8, 958405), (10, 766724), (14, 547660), (20, 383362), (28, 273830), (35, 219064), (40, 191681), (56, 136915), (70, 109532), (139, 55160), (140, 54766), (197, 38920), (278, 27580), (280, 27383), (394, 19460), (556, 13790), (695, 11032), (788, 9730), (973, 7880), (985, 7784), (1112, 6895), (1379, 5560), (1390, 5516), (1576, 4865), (1946, 3940), (1970, 3892), (2758, 2780)]