820850690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{9293}}^1$

素因数の和:9395

約数の個数: 48

約数和(自身を含む): 1646487864

約数和(自身を除く): 825637174

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 121, 146, 242, 365, 605, 730, 803, 1210, 1606, 4015, 8030, 8833, 9293, 17666, 18586, 44165, 46465, 88330, 92930, 102223, 204446, 511115, 678389, 1022230, 1124453, 1356778, 2248906, 3391945, 5622265, 6783890, 7462279, 11244530, 14924558, 37311395, 74622790, 82085069, 164170138, 410425345, 820850690]

約数ペア:

[(1, 820850690), (2, 410425345), (5, 164170138), (10, 82085069), (11, 74622790), (22, 37311395), (55, 14924558), (73, 11244530), (110, 7462279), (121, 6783890), (146, 5622265), (242, 3391945), (365, 2248906), (605, 1356778), (730, 1124453), (803, 1022230), (1210, 678389), (1606, 511115), (4015, 204446), (8030, 102223), (8833, 92930), (9293, 88330), (17666, 46465), (18586, 44165)]