2017478140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{171263}}^1$

素因数の和:171322

約数の個数: 48

約数和(自身を含む): 4603576320

約数和(自身を除く): 2586098180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 171263, 342526, 685052, 856315, 1712630, 3253997, 3425260, 5309153, 6507994, 10618306, 13015988, 16269985, 21236612, 26545765, 32539970, 53091530, 65079940, 100873907, 106183060, 201747814, 403495628, 504369535, 1008739070, 2017478140]

約数ペア:

[(1, 2017478140), (2, 1008739070), (4, 504369535), (5, 403495628), (10, 201747814), (19, 106183060), (20, 100873907), (31, 65079940), (38, 53091530), (62, 32539970), (76, 26545765), (95, 21236612), (124, 16269985), (155, 13015988), (190, 10618306), (310, 6507994), (380, 5309153), (589, 3425260), (620, 3253997), (1178, 1712630), (2356, 856315), (2945, 685052), (5890, 342526), (11780, 171263)]