209562710

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 444787200

約数和(自身を除く): 235224490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 107, 214, 245, 343, 490, 535, 571, 686, 749, 1070, 1142, 1498, 1715, 2855, 3430, 3745, 3997, 5243, 5710, 7490, 7994, 10486, 19985, 26215, 27979, 36701, 39970, 52430, 55958, 61097, 73402, 122194, 139895, 183505, 195853, 279790, 305485, 367010, 391706, 427679, 610970, 855358, 979265, 1958530, 2138395, 2993753, 4276790, 5987506, 14968765, 20956271, 29937530, 41912542, 104781355, 209562710]

約数ペア:

[(1, 209562710), (2, 104781355), (5, 41912542), (7, 29937530), (10, 20956271), (14, 14968765), (35, 5987506), (49, 4276790), (70, 2993753), (98, 2138395), (107, 1958530), (214, 979265), (245, 855358), (343, 610970), (490, 427679), (535, 391706), (571, 367010), (686, 305485), (749, 279790), (1070, 195853), (1142, 183505), (1498, 139895), (1715, 122194), (2855, 73402), (3430, 61097), (3745, 55958), (3997, 52430), (5243, 39970), (5710, 36701), (7490, 27979), (7994, 26215), (10486, 19985)]