1319285800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1307}}^1$

素因数の和:1440

約数の個数: 144

約数和(自身を含む): 3605528160

約数和(自身を除く): 2286242360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 103, 140, 175, 196, 200, 206, 245, 280, 350, 392, 412, 490, 515, 700, 721, 824, 980, 1030, 1225, 1307, 1400, 1442, 1960, 2060, 2450, 2575, 2614, 2884, 3605, 4120, 4900, 5047, 5150, 5228, 5768, 6535, 7210, 9149, 9800, 10094, 10300, 10456, 13070, 14420, 18025, 18298, 20188, 20600, 25235, 26140, 28840, 32675, 36050, 36596, 40376, 45745, 50470, 52280, 64043, 65350, 72100, 73192, 91490, 100940, 126175, 128086, 130700, 134621, 144200, 182980, 201880, 228725, 252350, 256172, 261400, 269242, 320215, 365960, 457450, 504700, 512344, 538484, 640430, 673105, 914900, 942347, 1009400, 1076968, 1280860, 1346210, 1601075, 1829800, 1884694, 2561720, 2692420, 3202150, 3365525, 3769388, 4711735, 5384840, 6404300, 6596429, 6731050, 7538776, 9423470, 12808600, 13192858, 13462100, 18846940, 23558675, 26385716, 26924200, 32982145, 37693880, 47117350, 52771432, 65964290, 94234700, 131928580, 164910725, 188469400, 263857160, 329821450, 659642900, 1319285800]

約数ペア:

[(1, 1319285800), (2, 659642900), (4, 329821450), (5, 263857160), (7, 188469400), (8, 164910725), (10, 131928580), (14, 94234700), (20, 65964290), (25, 52771432), (28, 47117350), (35, 37693880), (40, 32982145), (49, 26924200), (50, 26385716), (56, 23558675), (70, 18846940), (98, 13462100), (100, 13192858), (103, 12808600), (140, 9423470), (175, 7538776), (196, 6731050), (200, 6596429), (206, 6404300), (245, 5384840), (280, 4711735), (350, 3769388), (392, 3365525), (412, 3202150), (490, 2692420), (515, 2561720), (700, 1884694), (721, 1829800), (824, 1601075), (980, 1346210), (1030, 1280860), (1225, 1076968), (1307, 1009400), (1400, 942347), (1442, 914900), (1960, 673105), (2060, 640430), (2450, 538484), (2575, 512344), (2614, 504700), (2884, 457450), (3605, 365960), (4120, 320215), (4900, 269242), (5047, 261400), (5150, 256172), (5228, 252350), (5768, 228725), (6535, 201880), (7210, 182980), (9149, 144200), (9800, 134621), (10094, 130700), (10300, 128086), (10456, 126175), (13070, 100940), (14420, 91490), (18025, 73192), (18298, 72100), (20188, 65350), (20600, 64043), (25235, 52280), (26140, 50470), (28840, 45745), (32675, 40376), (36050, 36596)]