898240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{401}}^1$

素因数の和:425

約数の個数: 56

約数和(自身を含む): 2450592

約数和(自身を除く): 1552352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 401, 448, 560, 802, 1120, 1604, 2005, 2240, 2807, 3208, 4010, 5614, 6416, 8020, 11228, 12832, 14035, 16040, 22456, 25664, 28070, 32080, 44912, 56140, 64160, 89824, 112280, 128320, 179648, 224560, 449120, 898240]

約数ペア:

[(1, 898240), (2, 449120), (4, 224560), (5, 179648), (7, 128320), (8, 112280), (10, 89824), (14, 64160), (16, 56140), (20, 44912), (28, 32080), (32, 28070), (35, 25664), (40, 22456), (56, 16040), (64, 14035), (70, 12832), (80, 11228), (112, 8020), (140, 6416), (160, 5614), (224, 4010), (280, 3208), (320, 2807), (401, 2240), (448, 2005), (560, 1604), (802, 1120)]