1387885730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{163859}}^1$

素因数の和:163895

約数の個数: 48

約数和(自身を含む): 3138246720

約数和(自身を除く): 1750360990

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 163859, 327718, 819295, 1147013, 1638590, 1802449, 2294026, 3604898, 5735065, 9012245, 11470130, 12617143, 18024490, 19826939, 25234286, 39653878, 63085715, 99134695, 126171430, 138788573, 198269390, 277577146, 693942865, 1387885730]

約数ペア:

[(1, 1387885730), (2, 693942865), (5, 277577146), (7, 198269390), (10, 138788573), (11, 126171430), (14, 99134695), (22, 63085715), (35, 39653878), (55, 25234286), (70, 19826939), (77, 18024490), (110, 12617143), (121, 11470130), (154, 9012245), (242, 5735065), (385, 3604898), (605, 2294026), (770, 1802449), (847, 1638590), (1210, 1147013), (1694, 819295), (4235, 327718), (8470, 163859)]