389804912

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 120

約数和(自身を含む): 943368192

約数和(自身を除く): 553563280

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 311, 361, 434, 496, 532, 589, 622, 722, 868, 1064, 1178, 1244, 1444, 1736, 2128, 2177, 2356, 2488, 2527, 2888, 3472, 4123, 4354, 4712, 4976, 5054, 5776, 5909, 8246, 8708, 9424, 9641, 10108, 11191, 11818, 16492, 17416, 19282, 20216, 22382, 23636, 32984, 34832, 38564, 40432, 41363, 44764, 47272, 65968, 67487, 77128, 78337, 82726, 89528, 94544, 112271, 134974, 154256, 156674, 165452, 179056, 183179, 224542, 269948, 313348, 330904, 366358, 449084, 539896, 626696, 661808, 732716, 785897, 898168, 1079792, 1253392, 1282253, 1465432, 1571794, 1796336, 2564506, 2930864, 3143588, 3480401, 5129012, 6287176, 6960802, 10258024, 12574352, 13921604, 20516048, 24362807, 27843208, 48725614, 55686416, 97451228, 194902456, 389804912]

約数ペア:

[(1, 389804912), (2, 194902456), (4, 97451228), (7, 55686416), (8, 48725614), (14, 27843208), (16, 24362807), (19, 20516048), (28, 13921604), (31, 12574352), (38, 10258024), (56, 6960802), (62, 6287176), (76, 5129012), (112, 3480401), (124, 3143588), (133, 2930864), (152, 2564506), (217, 1796336), (248, 1571794), (266, 1465432), (304, 1282253), (311, 1253392), (361, 1079792), (434, 898168), (496, 785897), (532, 732716), (589, 661808), (622, 626696), (722, 539896), (868, 449084), (1064, 366358), (1178, 330904), (1244, 313348), (1444, 269948), (1736, 224542), (2128, 183179), (2177, 179056), (2356, 165452), (2488, 156674), (2527, 154256), (2888, 134974), (3472, 112271), (4123, 94544), (4354, 89528), (4712, 82726), (4976, 78337), (5054, 77128), (5776, 67487), (5909, 65968), (8246, 47272), (8708, 44764), (9424, 41363), (9641, 40432), (10108, 38564), (11191, 34832), (11818, 32984), (16492, 23636), (17416, 22382), (19282, 20216)]