399275520

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{1061}}^1$

素因数の和:1101

約数の個数: 240

約数和(自身を含む): 1486230768

約数和(自身を除く): 1086955248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1061, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 2122, 2240, 2352, 2560, 2688, 2940, 3136, 3183, 3360, 3584, 3840, 3920, 4244, 4480, 4704, 5305, 5376, 5880, 6272, 6366, 6720, 7427, 7680, 7840, 8488, 8960, 9408, 10610, 10752, 11760, 12544, 12732, 13440, 14854, 15680, 15915, 16976, 17920, 18816, 21220, 22281, 23520, 25088, 25464, 26880, 29708, 31360, 31830, 33952, 37135, 37632, 42440, 44562, 47040, 50928, 51989, 53760, 59416, 62720, 63660, 67904, 74270, 75264, 84880, 89124, 94080, 101856, 103978, 111405, 118832, 125440, 127320, 135808, 148540, 155967, 169760, 178248, 188160, 203712, 207956, 222810, 237664, 254640, 259945, 271616, 297080, 311934, 339520, 356496, 376320, 407424, 415912, 445620, 475328, 509280, 519890, 543232, 594160, 623868, 679040, 712992, 779835, 814848, 831824, 891240, 950656, 1018560, 1039780, 1188320, 1247736, 1358080, 1425984, 1559670, 1629696, 1663648, 1782480, 1901312, 2037120, 2079560, 2376640, 2495472, 2716160, 2851968, 3119340, 3327296, 3564960, 3802624, 4074240, 4159120, 4753280, 4990944, 5703936, 6238680, 6654592, 7129920, 8148480, 8318240, 9506560, 9981888, 11407872, 12477360, 13309184, 14259840, 16636480, 19013120, 19963776, 24954720, 26618368, 28519680, 33272960, 39927552, 49909440, 57039360, 66545920, 79855104, 99818880, 133091840, 199637760, 399275520]

約数ペア:

[(1, 399275520), (2, 199637760), (3, 133091840), (4, 99818880), (5, 79855104), (6, 66545920), (7, 57039360), (8, 49909440), (10, 39927552), (12, 33272960), (14, 28519680), (15, 26618368), (16, 24954720), (20, 19963776), (21, 19013120), (24, 16636480), (28, 14259840), (30, 13309184), (32, 12477360), (35, 11407872), (40, 9981888), (42, 9506560), (48, 8318240), (49, 8148480), (56, 7129920), (60, 6654592), (64, 6238680), (70, 5703936), (80, 4990944), (84, 4753280), (96, 4159120), (98, 4074240), (105, 3802624), (112, 3564960), (120, 3327296), (128, 3119340), (140, 2851968), (147, 2716160), (160, 2495472), (168, 2376640), (192, 2079560), (196, 2037120), (210, 1901312), (224, 1782480), (240, 1663648), (245, 1629696), (256, 1559670), (280, 1425984), (294, 1358080), (320, 1247736), (336, 1188320), (384, 1039780), (392, 1018560), (420, 950656), (448, 891240), (480, 831824), (490, 814848), (512, 779835), (560, 712992), (588, 679040), (640, 623868), (672, 594160), (735, 543232), (768, 519890), (784, 509280), (840, 475328), (896, 445620), (960, 415912), (980, 407424), (1061, 376320), (1120, 356496), (1176, 339520), (1280, 311934), (1344, 297080), (1470, 271616), (1536, 259945), (1568, 254640), (1680, 237664), (1792, 222810), (1920, 207956), (1960, 203712), (2122, 188160), (2240, 178248), (2352, 169760), (2560, 155967), (2688, 148540), (2940, 135808), (3136, 127320), (3183, 125440), (3360, 118832), (3584, 111405), (3840, 103978), (3920, 101856), (4244, 94080), (4480, 89124), (4704, 84880), (5305, 75264), (5376, 74270), (5880, 67904), (6272, 63660), (6366, 62720), (6720, 59416), (7427, 53760), (7680, 51989), (7840, 50928), (8488, 47040), (8960, 44562), (9408, 42440), (10610, 37632), (10752, 37135), (11760, 33952), (12544, 31830), (12732, 31360), (13440, 29708), (14854, 26880), (15680, 25464), (15915, 25088), (16976, 23520), (17920, 22281), (18816, 21220)]