1320783730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{40231}}^1$

素因数の和:40319

約数の個数: 48

約数和(自身を含む): 2806906176

約数和(自身を除く): 1486122446

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 67, 70, 98, 134, 245, 335, 469, 490, 670, 938, 2345, 3283, 4690, 6566, 16415, 32830, 40231, 80462, 201155, 281617, 402310, 563234, 1408085, 1971319, 2695477, 2816170, 3942638, 5390954, 9856595, 13477385, 18868339, 19713190, 26954770, 37736678, 94341695, 132078373, 188683390, 264156746, 660391865, 1320783730]

約数ペア:

[(1, 1320783730), (2, 660391865), (5, 264156746), (7, 188683390), (10, 132078373), (14, 94341695), (35, 37736678), (49, 26954770), (67, 19713190), (70, 18868339), (98, 13477385), (134, 9856595), (245, 5390954), (335, 3942638), (469, 2816170), (490, 2695477), (670, 1971319), (938, 1408085), (2345, 563234), (3283, 402310), (4690, 281617), (6566, 201155), (16415, 80462), (32830, 40231)]