51997330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{877}}^1$

素因数の和:920

約数の個数: 72

約数和(自身を含む): 119810124

約数和(自身を除く): 67812794

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, 877, 1078, 1210, 1694, 1754, 2695, 4235, 4385, 5390, 5929, 6139, 8470, 8770, 9647, 11858, 12278, 19294, 29645, 30695, 42973, 48235, 59290, 61390, 67529, 85946, 96470, 106117, 135058, 212234, 214865, 337645, 429730, 472703, 530585, 675290, 742819, 945406, 1061170, 1485638, 2363515, 3714095, 4727030, 5199733, 7428190, 10399466, 25998665, 51997330]

約数ペア:

[(1, 51997330), (2, 25998665), (5, 10399466), (7, 7428190), (10, 5199733), (11, 4727030), (14, 3714095), (22, 2363515), (35, 1485638), (49, 1061170), (55, 945406), (70, 742819), (77, 675290), (98, 530585), (110, 472703), (121, 429730), (154, 337645), (242, 214865), (245, 212234), (385, 135058), (490, 106117), (539, 96470), (605, 85946), (770, 67529), (847, 61390), (877, 59290), (1078, 48235), (1210, 42973), (1694, 30695), (1754, 29645), (2695, 19294), (4235, 12278), (4385, 11858), (5390, 9647), (5929, 8770), (6139, 8470)]