297215360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 128

約数和(自身を含む): 773690400

約数和(自身を除く): 476475040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 139, 160, 208, 257, 260, 278, 320, 416, 514, 520, 556, 640, 695, 832, 1028, 1040, 1112, 1285, 1390, 1664, 1807, 2056, 2080, 2224, 2570, 2780, 3341, 3614, 4112, 4160, 4448, 5140, 5560, 6682, 7228, 8224, 8320, 8896, 9035, 10280, 11120, 13364, 14456, 16448, 16705, 17792, 18070, 20560, 22240, 26728, 28912, 32896, 33410, 35723, 36140, 41120, 44480, 53456, 57824, 66820, 71446, 72280, 82240, 88960, 106912, 115648, 133640, 142892, 144560, 164480, 178615, 213824, 231296, 267280, 285784, 289120, 357230, 427648, 464399, 534560, 571568, 578240, 714460, 928798, 1069120, 1143136, 1156480, 1428920, 1857596, 2138240, 2286272, 2321995, 2857840, 3715192, 4572544, 4643990, 5715680, 7430384, 9287980, 11431360, 14860768, 18575960, 22862720, 29721536, 37151920, 59443072, 74303840, 148607680, 297215360]

約数ペア:

[(1, 297215360), (2, 148607680), (4, 74303840), (5, 59443072), (8, 37151920), (10, 29721536), (13, 22862720), (16, 18575960), (20, 14860768), (26, 11431360), (32, 9287980), (40, 7430384), (52, 5715680), (64, 4643990), (65, 4572544), (80, 3715192), (104, 2857840), (128, 2321995), (130, 2286272), (139, 2138240), (160, 1857596), (208, 1428920), (257, 1156480), (260, 1143136), (278, 1069120), (320, 928798), (416, 714460), (514, 578240), (520, 571568), (556, 534560), (640, 464399), (695, 427648), (832, 357230), (1028, 289120), (1040, 285784), (1112, 267280), (1285, 231296), (1390, 213824), (1664, 178615), (1807, 164480), (2056, 144560), (2080, 142892), (2224, 133640), (2570, 115648), (2780, 106912), (3341, 88960), (3614, 82240), (4112, 72280), (4160, 71446), (4448, 66820), (5140, 57824), (5560, 53456), (6682, 44480), (7228, 41120), (8224, 36140), (8320, 35723), (8896, 33410), (9035, 32896), (10280, 28912), (11120, 26728), (13364, 22240), (14456, 20560), (16448, 18070), (16705, 17792)]