490751856

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:628

約数の個数: 180

約数和(自身を含む): 1611461592

約数和(自身を除く): 1120709736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 157, 168, 196, 252, 294, 314, 336, 392, 441, 443, 471, 504, 588, 628, 784, 882, 886, 942, 1008, 1099, 1176, 1256, 1329, 1413, 1764, 1772, 1884, 2198, 2352, 2512, 2658, 2826, 3101, 3297, 3528, 3544, 3768, 3987, 4396, 5316, 5652, 6202, 6594, 7056, 7088, 7536, 7693, 7974, 8792, 9303, 9891, 10632, 11304, 12404, 13188, 15386, 15948, 17584, 18606, 19782, 21264, 21707, 22608, 23079, 24808, 26376, 27909, 30772, 31896, 37212, 39564, 43414, 46158, 49616, 52752, 55818, 61544, 63792, 65121, 69237, 69551, 74424, 79128, 86828, 92316, 111636, 123088, 130242, 138474, 139102, 148848, 158256, 173656, 184632, 195363, 208653, 223272, 260484, 276948, 278204, 347312, 369264, 390726, 417306, 446544, 486857, 520968, 553896, 556408, 625959, 781452, 834612, 973714, 1041936, 1107792, 1112816, 1251918, 1460571, 1562904, 1669224, 1947428, 2503836, 2921142, 3125808, 3338448, 3407999, 3894856, 4381713, 5007672, 5842284, 6815998, 7789712, 8763426, 10015344, 10223997, 11684568, 13631996, 17526852, 20447994, 23369136, 27263992, 30671991, 35053704, 40895988, 54527984, 61343982, 70107408, 81791976, 122687964, 163583952, 245375928, 490751856]

約数ペア:

[(1, 490751856), (2, 245375928), (3, 163583952), (4, 122687964), (6, 81791976), (7, 70107408), (8, 61343982), (9, 54527984), (12, 40895988), (14, 35053704), (16, 30671991), (18, 27263992), (21, 23369136), (24, 20447994), (28, 17526852), (36, 13631996), (42, 11684568), (48, 10223997), (49, 10015344), (56, 8763426), (63, 7789712), (72, 6815998), (84, 5842284), (98, 5007672), (112, 4381713), (126, 3894856), (144, 3407999), (147, 3338448), (157, 3125808), (168, 2921142), (196, 2503836), (252, 1947428), (294, 1669224), (314, 1562904), (336, 1460571), (392, 1251918), (441, 1112816), (443, 1107792), (471, 1041936), (504, 973714), (588, 834612), (628, 781452), (784, 625959), (882, 556408), (886, 553896), (942, 520968), (1008, 486857), (1099, 446544), (1176, 417306), (1256, 390726), (1329, 369264), (1413, 347312), (1764, 278204), (1772, 276948), (1884, 260484), (2198, 223272), (2352, 208653), (2512, 195363), (2658, 184632), (2826, 173656), (3101, 158256), (3297, 148848), (3528, 139102), (3544, 138474), (3768, 130242), (3987, 123088), (4396, 111636), (5316, 92316), (5652, 86828), (6202, 79128), (6594, 74424), (7056, 69551), (7088, 69237), (7536, 65121), (7693, 63792), (7974, 61544), (8792, 55818), (9303, 52752), (9891, 49616), (10632, 46158), (11304, 43414), (12404, 39564), (13188, 37212), (15386, 31896), (15948, 30772), (17584, 27909), (18606, 26376), (19782, 24808), (21264, 23079), (21707, 22608)]