287735840

素因数分解:

$2^5\times 5^1\times 7^5\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 800476992

約数和(自身を除く): 512741152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 107, 112, 140, 160, 196, 214, 224, 245, 280, 343, 392, 428, 490, 535, 560, 686, 749, 784, 856, 980, 1070, 1120, 1372, 1498, 1568, 1712, 1715, 1960, 2140, 2401, 2744, 2996, 3424, 3430, 3745, 3920, 4280, 4802, 5243, 5488, 5992, 6860, 7490, 7840, 8560, 9604, 10486, 10976, 11984, 12005, 13720, 14980, 16807, 17120, 19208, 20972, 23968, 24010, 26215, 27440, 29960, 33614, 36701, 38416, 41944, 48020, 52430, 54880, 59920, 67228, 73402, 76832, 83888, 84035, 96040, 104860, 119840, 134456, 146804, 167776, 168070, 183505, 192080, 209720, 256907, 268912, 293608, 336140, 367010, 384160, 419440, 513814, 537824, 587216, 672280, 734020, 838880, 1027628, 1174432, 1284535, 1344560, 1468040, 1798349, 2055256, 2569070, 2689120, 2936080, 3596698, 4110512, 5138140, 5872160, 7193396, 8221024, 8991745, 10276280, 14386792, 17983490, 20552560, 28773584, 35966980, 41105120, 57547168, 71933960, 143867920, 287735840]

約数ペア:

[(1, 287735840), (2, 143867920), (4, 71933960), (5, 57547168), (7, 41105120), (8, 35966980), (10, 28773584), (14, 20552560), (16, 17983490), (20, 14386792), (28, 10276280), (32, 8991745), (35, 8221024), (40, 7193396), (49, 5872160), (56, 5138140), (70, 4110512), (80, 3596698), (98, 2936080), (107, 2689120), (112, 2569070), (140, 2055256), (160, 1798349), (196, 1468040), (214, 1344560), (224, 1284535), (245, 1174432), (280, 1027628), (343, 838880), (392, 734020), (428, 672280), (490, 587216), (535, 537824), (560, 513814), (686, 419440), (749, 384160), (784, 367010), (856, 336140), (980, 293608), (1070, 268912), (1120, 256907), (1372, 209720), (1498, 192080), (1568, 183505), (1712, 168070), (1715, 167776), (1960, 146804), (2140, 134456), (2401, 119840), (2744, 104860), (2996, 96040), (3424, 84035), (3430, 83888), (3745, 76832), (3920, 73402), (4280, 67228), (4802, 59920), (5243, 54880), (5488, 52430), (5992, 48020), (6860, 41944), (7490, 38416), (7840, 36701), (8560, 33614), (9604, 29960), (10486, 27440), (10976, 26215), (11984, 24010), (12005, 23968), (13720, 20972), (14980, 19208), (16807, 17120)]