920072860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{21407}}^1$

素因数の和:21730

約数の個数: 48

約数和(自身を含む): 2215471104

約数和(自身を除く): 1295398244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1535, 2149, 3070, 4298, 6140, 8596, 10745, 21407, 21490, 42814, 42980, 85628, 107035, 149849, 214070, 299698, 428140, 599396, 749245, 1498490, 2996980, 6571949, 13143898, 26287796, 32859745, 46003643, 65719490, 92007286, 131438980, 184014572, 230018215, 460036430, 920072860]

約数ペア:

[(1, 920072860), (2, 460036430), (4, 230018215), (5, 184014572), (7, 131438980), (10, 92007286), (14, 65719490), (20, 46003643), (28, 32859745), (35, 26287796), (70, 13143898), (140, 6571949), (307, 2996980), (614, 1498490), (1228, 749245), (1535, 599396), (2149, 428140), (3070, 299698), (4298, 214070), (6140, 149849), (8596, 107035), (10745, 85628), (21407, 42980), (21490, 42814)]