208891872

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:455

約数の個数: 240

約数和(自身を含む): 728148960

約数和(自身を除く): 519257088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 63, 72, 81, 84, 87, 96, 108, 112, 116, 126, 144, 162, 168, 174, 189, 203, 216, 224, 232, 252, 261, 288, 324, 336, 348, 378, 397, 406, 432, 464, 504, 522, 567, 609, 648, 672, 696, 756, 783, 794, 812, 864, 928, 1008, 1044, 1134, 1191, 1218, 1296, 1392, 1512, 1566, 1588, 1624, 1827, 2016, 2088, 2268, 2349, 2382, 2436, 2592, 2779, 2784, 3024, 3132, 3176, 3248, 3573, 3654, 4176, 4536, 4698, 4764, 4872, 5481, 5558, 6048, 6264, 6352, 6496, 7146, 7308, 8337, 8352, 9072, 9396, 9528, 9744, 10719, 10962, 11116, 11513, 12528, 12704, 14292, 14616, 16443, 16674, 18144, 18792, 19056, 19488, 21438, 21924, 22232, 23026, 25011, 25056, 28584, 29232, 32157, 32886, 33348, 34539, 37584, 38112, 42876, 43848, 44464, 46052, 50022, 57168, 58464, 64314, 65772, 66696, 69078, 75033, 75168, 80591, 85752, 87696, 88928, 92104, 100044, 103617, 114336, 128628, 131544, 133392, 138156, 150066, 161182, 171504, 175392, 184208, 200088, 207234, 225099, 241773, 257256, 263088, 266784, 276312, 300132, 310851, 322364, 343008, 368416, 400176, 414468, 450198, 483546, 514512, 526176, 552624, 600264, 621702, 644728, 725319, 800352, 828936, 900396, 932553, 967092, 1029024, 1105248, 1200528, 1243404, 1289456, 1450638, 1657872, 1800792, 1865106, 1934184, 2175957, 2401056, 2486808, 2578912, 2901276, 3315744, 3601584, 3730212, 3868368, 4351914, 4973616, 5802552, 6527871, 7203168, 7460424, 7736736, 8703828, 9947232, 11605104, 13055742, 14920848, 17407656, 23210208, 26111484, 29841696, 34815312, 52222968, 69630624, 104445936, 208891872]

約数ペア:

[(1, 208891872), (2, 104445936), (3, 69630624), (4, 52222968), (6, 34815312), (7, 29841696), (8, 26111484), (9, 23210208), (12, 17407656), (14, 14920848), (16, 13055742), (18, 11605104), (21, 9947232), (24, 8703828), (27, 7736736), (28, 7460424), (29, 7203168), (32, 6527871), (36, 5802552), (42, 4973616), (48, 4351914), (54, 3868368), (56, 3730212), (58, 3601584), (63, 3315744), (72, 2901276), (81, 2578912), (84, 2486808), (87, 2401056), (96, 2175957), (108, 1934184), (112, 1865106), (116, 1800792), (126, 1657872), (144, 1450638), (162, 1289456), (168, 1243404), (174, 1200528), (189, 1105248), (203, 1029024), (216, 967092), (224, 932553), (232, 900396), (252, 828936), (261, 800352), (288, 725319), (324, 644728), (336, 621702), (348, 600264), (378, 552624), (397, 526176), (406, 514512), (432, 483546), (464, 450198), (504, 414468), (522, 400176), (567, 368416), (609, 343008), (648, 322364), (672, 310851), (696, 300132), (756, 276312), (783, 266784), (794, 263088), (812, 257256), (864, 241773), (928, 225099), (1008, 207234), (1044, 200088), (1134, 184208), (1191, 175392), (1218, 171504), (1296, 161182), (1392, 150066), (1512, 138156), (1566, 133392), (1588, 131544), (1624, 128628), (1827, 114336), (2016, 103617), (2088, 100044), (2268, 92104), (2349, 88928), (2382, 87696), (2436, 85752), (2592, 80591), (2779, 75168), (2784, 75033), (3024, 69078), (3132, 66696), (3176, 65772), (3248, 64314), (3573, 58464), (3654, 57168), (4176, 50022), (4536, 46052), (4698, 44464), (4764, 43848), (4872, 42876), (5481, 38112), (5558, 37584), (6048, 34539), (6264, 33348), (6352, 32886), (6496, 32157), (7146, 29232), (7308, 28584), (8337, 25056), (8352, 25011), (9072, 23026), (9396, 22232), (9528, 21924), (9744, 21438), (10719, 19488), (10962, 19056), (11116, 18792), (11513, 18144), (12528, 16674), (12704, 16443), (14292, 14616)]