42428120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21647}}^1$

素因数の和:21672

約数の個数: 48

約数和(自身を含む): 111054240

約数和(自身を除く): 68626120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 21647, 43294, 86588, 108235, 151529, 173176, 216470, 303058, 432940, 606116, 757645, 865880, 1060703, 1212232, 1515290, 2121406, 3030580, 4242812, 5303515, 6061160, 8485624, 10607030, 21214060, 42428120]

約数ペア:

[(1, 42428120), (2, 21214060), (4, 10607030), (5, 8485624), (7, 6061160), (8, 5303515), (10, 4242812), (14, 3030580), (20, 2121406), (28, 1515290), (35, 1212232), (40, 1060703), (49, 865880), (56, 757645), (70, 606116), (98, 432940), (140, 303058), (196, 216470), (245, 173176), (280, 151529), (392, 108235), (490, 86588), (980, 43294), (1960, 21647)]