139218940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7591}}^1$

素因数の和:7738

約数の個数: 48

約数和(自身を含む): 336720384

約数和(自身を除く): 197501444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 7591, 9170, 15182, 18340, 30364, 37955, 53137, 75910, 106274, 151820, 212548, 265685, 531370, 994421, 1062740, 1988842, 3977684, 4972105, 6960947, 9944210, 13921894, 19888420, 27843788, 34804735, 69609470, 139218940]

約数ペア:

[(1, 139218940), (2, 69609470), (4, 34804735), (5, 27843788), (7, 19888420), (10, 13921894), (14, 9944210), (20, 6960947), (28, 4972105), (35, 3977684), (70, 1988842), (131, 1062740), (140, 994421), (262, 531370), (524, 265685), (655, 212548), (917, 151820), (1310, 106274), (1834, 75910), (2620, 53137), (3668, 37955), (4585, 30364), (7591, 18340), (9170, 15182)]