388539424

素因数分解:

$2^5\times 7^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:440

約数の個数: 120

約数和(自身を含む): 963487980

約数和(自身を除く): 574948556

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 343, 364, 389, 392, 416, 637, 686, 728, 778, 784, 1274, 1372, 1456, 1556, 1568, 2401, 2548, 2723, 2744, 2912, 3112, 4459, 4802, 5057, 5096, 5446, 5488, 6224, 8918, 9604, 10114, 10192, 10892, 10976, 12448, 17836, 19061, 19208, 20228, 20384, 21784, 31213, 35399, 35672, 38122, 38416, 40456, 43568, 62426, 70798, 71344, 76244, 76832, 80912, 87136, 124852, 133427, 141596, 142688, 152488, 161824, 247793, 249704, 266854, 283192, 304976, 495586, 499408, 533708, 566384, 609952, 933989, 991172, 998816, 1067416, 1132768, 1734551, 1867978, 1982344, 2134832, 3469102, 3735956, 3964688, 4269664, 6938204, 7471912, 7929376, 12141857, 13876408, 14943824, 24283714, 27752816, 29887648, 48567428, 55505632, 97134856, 194269712, 388539424]

約数ペア:

[(1, 388539424), (2, 194269712), (4, 97134856), (7, 55505632), (8, 48567428), (13, 29887648), (14, 27752816), (16, 24283714), (26, 14943824), (28, 13876408), (32, 12141857), (49, 7929376), (52, 7471912), (56, 6938204), (91, 4269664), (98, 3964688), (104, 3735956), (112, 3469102), (182, 2134832), (196, 1982344), (208, 1867978), (224, 1734551), (343, 1132768), (364, 1067416), (389, 998816), (392, 991172), (416, 933989), (637, 609952), (686, 566384), (728, 533708), (778, 499408), (784, 495586), (1274, 304976), (1372, 283192), (1456, 266854), (1556, 249704), (1568, 247793), (2401, 161824), (2548, 152488), (2723, 142688), (2744, 141596), (2912, 133427), (3112, 124852), (4459, 87136), (4802, 80912), (5057, 76832), (5096, 76244), (5446, 71344), (5488, 70798), (6224, 62426), (8918, 43568), (9604, 40456), (10114, 38416), (10192, 38122), (10892, 35672), (10976, 35399), (12448, 31213), (17836, 21784), (19061, 20384), (19208, 20228)]