209471570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{3533}}^1$

素因数の和:3576

約数の個数: 72

約数和(自身を含む): 482242572

約数和(自身を除く): 272771002

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 242, 245, 385, 490, 539, 605, 770, 847, 1078, 1210, 1694, 2695, 3533, 4235, 5390, 5929, 7066, 8470, 11858, 17665, 24731, 29645, 35330, 38863, 49462, 59290, 77726, 123655, 173117, 194315, 247310, 272041, 346234, 388630, 427493, 544082, 854986, 865585, 1360205, 1731170, 1904287, 2137465, 2720410, 2992451, 3808574, 4274930, 5984902, 9521435, 14962255, 19042870, 20947157, 29924510, 41894314, 104735785, 209471570]

約数ペア:

[(1, 209471570), (2, 104735785), (5, 41894314), (7, 29924510), (10, 20947157), (11, 19042870), (14, 14962255), (22, 9521435), (35, 5984902), (49, 4274930), (55, 3808574), (70, 2992451), (77, 2720410), (98, 2137465), (110, 1904287), (121, 1731170), (154, 1360205), (242, 865585), (245, 854986), (385, 544082), (490, 427493), (539, 388630), (605, 346234), (770, 272041), (847, 247310), (1078, 194315), (1210, 173117), (1694, 123655), (2695, 77726), (3533, 59290), (4235, 49462), (5390, 38863), (5929, 35330), (7066, 29645), (8470, 24731), (11858, 17665)]