4164440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 10886400

約数和(自身を除く): 6721960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 139, 140, 214, 278, 280, 428, 535, 556, 695, 749, 856, 973, 1070, 1112, 1390, 1498, 1946, 2140, 2780, 2996, 3745, 3892, 4280, 4865, 5560, 5992, 7490, 7784, 9730, 14873, 14980, 19460, 29746, 29960, 38920, 59492, 74365, 104111, 118984, 148730, 208222, 297460, 416444, 520555, 594920, 832888, 1041110, 2082220, 4164440]

約数ペア:

[(1, 4164440), (2, 2082220), (4, 1041110), (5, 832888), (7, 594920), (8, 520555), (10, 416444), (14, 297460), (20, 208222), (28, 148730), (35, 118984), (40, 104111), (56, 74365), (70, 59492), (107, 38920), (139, 29960), (140, 29746), (214, 19460), (278, 14980), (280, 14873), (428, 9730), (535, 7784), (556, 7490), (695, 5992), (749, 5560), (856, 4865), (973, 4280), (1070, 3892), (1112, 3745), (1390, 2996), (1498, 2780), (1946, 2140)]