280281344

素因数分解:

$2^8\times 7^1\times {\mathrm{229}}^1\times {\mathrm{683}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 643124160

約数和(自身を除く): 362842816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 229, 256, 448, 458, 683, 896, 916, 1366, 1603, 1792, 1832, 2732, 3206, 3664, 4781, 5464, 6412, 7328, 9562, 10928, 12824, 14656, 19124, 21856, 25648, 29312, 38248, 43712, 51296, 58624, 76496, 87424, 102592, 152992, 156407, 174848, 205184, 305984, 312814, 410368, 611968, 625628, 1094849, 1223936, 1251256, 2189698, 2502512, 4379396, 5005024, 8758792, 10010048, 17517584, 20020096, 35035168, 40040192, 70070336, 140140672, 280281344]

約数ペア:

[(1, 280281344), (2, 140140672), (4, 70070336), (7, 40040192), (8, 35035168), (14, 20020096), (16, 17517584), (28, 10010048), (32, 8758792), (56, 5005024), (64, 4379396), (112, 2502512), (128, 2189698), (224, 1251256), (229, 1223936), (256, 1094849), (448, 625628), (458, 611968), (683, 410368), (896, 312814), (916, 305984), (1366, 205184), (1603, 174848), (1792, 156407), (1832, 152992), (2732, 102592), (3206, 87424), (3664, 76496), (4781, 58624), (5464, 51296), (6412, 43712), (7328, 38248), (9562, 29312), (10928, 25648), (12824, 21856), (14656, 19124)]