208288640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1$

素因数の和:2492

約数の個数: 128

約数和(自身を含む): 599270400

約数和(自身を除く): 390981760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2432, 2447, 2660, 3040, 4256, 4480, 4894, 5320, 6080, 8512, 9788, 10640, 12160, 12235, 17024, 17129, 19576, 21280, 24470, 34258, 39152, 42560, 46493, 48940, 68516, 78304, 85120, 85645, 92986, 97880, 137032, 156608, 171290, 185972, 195760, 232465, 274064, 313216, 325451, 342580, 371944, 391520, 464930, 548128, 650902, 685160, 743888, 783040, 929860, 1096256, 1301804, 1370320, 1487776, 1566080, 1627255, 1859720, 2192512, 2603608, 2740640, 2975552, 3254510, 3719440, 5207216, 5481280, 5951104, 6509020, 7438880, 10414432, 10962560, 13018040, 14877760, 20828864, 26036080, 29755520, 41657728, 52072160, 104144320, 208288640]

約数ペア:

[(1, 208288640), (2, 104144320), (4, 52072160), (5, 41657728), (7, 29755520), (8, 26036080), (10, 20828864), (14, 14877760), (16, 13018040), (19, 10962560), (20, 10414432), (28, 7438880), (32, 6509020), (35, 5951104), (38, 5481280), (40, 5207216), (56, 3719440), (64, 3254510), (70, 2975552), (76, 2740640), (80, 2603608), (95, 2192512), (112, 1859720), (128, 1627255), (133, 1566080), (140, 1487776), (152, 1370320), (160, 1301804), (190, 1096256), (224, 929860), (266, 783040), (280, 743888), (304, 685160), (320, 650902), (380, 548128), (448, 464930), (532, 391520), (560, 371944), (608, 342580), (640, 325451), (665, 313216), (760, 274064), (896, 232465), (1064, 195760), (1120, 185972), (1216, 171290), (1330, 156608), (1520, 137032), (2128, 97880), (2240, 92986), (2432, 85645), (2447, 85120), (2660, 78304), (3040, 68516), (4256, 48940), (4480, 46493), (4894, 42560), (5320, 39152), (6080, 34258), (8512, 24470), (9788, 21280), (10640, 19576), (12160, 17129), (12235, 17024)]