449120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{401}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 1215648

約数和(自身を除く): 766528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 401, 560, 802, 1120, 1604, 2005, 2807, 3208, 4010, 5614, 6416, 8020, 11228, 12832, 14035, 16040, 22456, 28070, 32080, 44912, 56140, 64160, 89824, 112280, 224560, 449120]

約数ペア:

[(1, 449120), (2, 224560), (4, 112280), (5, 89824), (7, 64160), (8, 56140), (10, 44912), (14, 32080), (16, 28070), (20, 22456), (28, 16040), (32, 14035), (35, 12832), (40, 11228), (56, 8020), (70, 6416), (80, 5614), (112, 4010), (140, 3208), (160, 2807), (224, 2005), (280, 1604), (401, 1120), (560, 802)]