317487520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1103}}^1$

素因数の和:1382

約数の個数: 96

約数和(自身を含む): 861331968

約数和(自身を除く): 543844448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 257, 280, 514, 560, 1028, 1103, 1120, 1285, 1799, 2056, 2206, 2570, 3598, 4112, 4412, 5140, 5515, 7196, 7721, 8224, 8824, 8995, 10280, 11030, 14392, 15442, 17648, 17990, 20560, 22060, 28784, 30884, 35296, 35980, 38605, 41120, 44120, 57568, 61768, 71960, 77210, 88240, 123536, 143920, 154420, 176480, 247072, 283471, 287840, 308840, 566942, 617680, 1133884, 1235360, 1417355, 1984297, 2267768, 2834710, 3968594, 4535536, 5669420, 7937188, 9071072, 9921485, 11338840, 15874376, 19842970, 22677680, 31748752, 39685940, 45355360, 63497504, 79371880, 158743760, 317487520]

約数ペア:

[(1, 317487520), (2, 158743760), (4, 79371880), (5, 63497504), (7, 45355360), (8, 39685940), (10, 31748752), (14, 22677680), (16, 19842970), (20, 15874376), (28, 11338840), (32, 9921485), (35, 9071072), (40, 7937188), (56, 5669420), (70, 4535536), (80, 3968594), (112, 2834710), (140, 2267768), (160, 1984297), (224, 1417355), (257, 1235360), (280, 1133884), (514, 617680), (560, 566942), (1028, 308840), (1103, 287840), (1120, 283471), (1285, 247072), (1799, 176480), (2056, 154420), (2206, 143920), (2570, 123536), (3598, 88240), (4112, 77210), (4412, 71960), (5140, 61768), (5515, 57568), (7196, 44120), (7721, 41120), (8224, 38605), (8824, 35980), (8995, 35296), (10280, 30884), (11030, 28784), (14392, 22060), (15442, 20560), (17648, 17990)]