388599680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:836

約数の個数: 128

約数和(自身を含む): 1071636480

約数和(自身を除く): 683036800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 640, 683, 889, 896, 1016, 1120, 1270, 1366, 1778, 2032, 2240, 2540, 2732, 3415, 3556, 4064, 4445, 4480, 4781, 5080, 5464, 6830, 7112, 8128, 8890, 9562, 10160, 10928, 13660, 14224, 16256, 17780, 19124, 20320, 21856, 23905, 27320, 28448, 35560, 38248, 40640, 43712, 47810, 54640, 56896, 71120, 76496, 81280, 86741, 87424, 95620, 109280, 113792, 142240, 152992, 173482, 191240, 218560, 284480, 305984, 346964, 382480, 433705, 437120, 568960, 607187, 611968, 693928, 764960, 867410, 1214374, 1387856, 1529920, 1734820, 2428748, 2775712, 3035935, 3059840, 3469640, 4857496, 5551424, 6071870, 6939280, 9714992, 11102848, 12143740, 13878560, 19429984, 24287480, 27757120, 38859968, 48574960, 55514240, 77719936, 97149920, 194299840, 388599680]

約数ペア:

[(1, 388599680), (2, 194299840), (4, 97149920), (5, 77719936), (7, 55514240), (8, 48574960), (10, 38859968), (14, 27757120), (16, 24287480), (20, 19429984), (28, 13878560), (32, 12143740), (35, 11102848), (40, 9714992), (56, 6939280), (64, 6071870), (70, 5551424), (80, 4857496), (112, 3469640), (127, 3059840), (128, 3035935), (140, 2775712), (160, 2428748), (224, 1734820), (254, 1529920), (280, 1387856), (320, 1214374), (448, 867410), (508, 764960), (560, 693928), (635, 611968), (640, 607187), (683, 568960), (889, 437120), (896, 433705), (1016, 382480), (1120, 346964), (1270, 305984), (1366, 284480), (1778, 218560), (2032, 191240), (2240, 173482), (2540, 152992), (2732, 142240), (3415, 113792), (3556, 109280), (4064, 95620), (4445, 87424), (4480, 86741), (4781, 81280), (5080, 76496), (5464, 71120), (6830, 56896), (7112, 54640), (8128, 47810), (8890, 43712), (9562, 40640), (10160, 38248), (10928, 35560), (13660, 28448), (14224, 27320), (16256, 23905), (17780, 21856), (19124, 20320)]