221407872

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{41}}^2$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 702984000

約数和(自身を除く): 481576128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 49, 56, 64, 82, 84, 96, 98, 112, 123, 128, 147, 164, 168, 192, 196, 224, 246, 287, 294, 328, 336, 343, 384, 392, 448, 492, 574, 588, 656, 672, 686, 784, 861, 896, 984, 1029, 1148, 1176, 1312, 1344, 1372, 1568, 1681, 1722, 1968, 2009, 2058, 2296, 2352, 2624, 2688, 2744, 3136, 3362, 3444, 3936, 4018, 4116, 4592, 4704, 5043, 5248, 5488, 6027, 6272, 6724, 6888, 7872, 8036, 8232, 9184, 9408, 10086, 10976, 11767, 12054, 13448, 13776, 14063, 15744, 16072, 16464, 18368, 18816, 20172, 21952, 23534, 24108, 26896, 27552, 28126, 32144, 32928, 35301, 36736, 40344, 42189, 43904, 47068, 48216, 53792, 55104, 56252, 64288, 65856, 70602, 80688, 82369, 84378, 94136, 96432, 107584, 110208, 112504, 128576, 131712, 141204, 161376, 164738, 168756, 188272, 192864, 215168, 225008, 247107, 257152, 282408, 322752, 329476, 337512, 376544, 385728, 450016, 494214, 564816, 576583, 645504, 658952, 675024, 753088, 771456, 900032, 988428, 1129632, 1153166, 1317904, 1350048, 1506176, 1729749, 1800064, 1976856, 2259264, 2306332, 2635808, 2700096, 3459498, 3953712, 4518528, 4612664, 5271616, 5400192, 6918996, 7907424, 9225328, 10543232, 13837992, 15814848, 18450656, 27675984, 31629696, 36901312, 55351968, 73802624, 110703936, 221407872]

約数ペア:

[(1, 221407872), (2, 110703936), (3, 73802624), (4, 55351968), (6, 36901312), (7, 31629696), (8, 27675984), (12, 18450656), (14, 15814848), (16, 13837992), (21, 10543232), (24, 9225328), (28, 7907424), (32, 6918996), (41, 5400192), (42, 5271616), (48, 4612664), (49, 4518528), (56, 3953712), (64, 3459498), (82, 2700096), (84, 2635808), (96, 2306332), (98, 2259264), (112, 1976856), (123, 1800064), (128, 1729749), (147, 1506176), (164, 1350048), (168, 1317904), (192, 1153166), (196, 1129632), (224, 988428), (246, 900032), (287, 771456), (294, 753088), (328, 675024), (336, 658952), (343, 645504), (384, 576583), (392, 564816), (448, 494214), (492, 450016), (574, 385728), (588, 376544), (656, 337512), (672, 329476), (686, 322752), (784, 282408), (861, 257152), (896, 247107), (984, 225008), (1029, 215168), (1148, 192864), (1176, 188272), (1312, 168756), (1344, 164738), (1372, 161376), (1568, 141204), (1681, 131712), (1722, 128576), (1968, 112504), (2009, 110208), (2058, 107584), (2296, 96432), (2352, 94136), (2624, 84378), (2688, 82369), (2744, 80688), (3136, 70602), (3362, 65856), (3444, 64288), (3936, 56252), (4018, 55104), (4116, 53792), (4592, 48216), (4704, 47068), (5043, 43904), (5248, 42189), (5488, 40344), (6027, 36736), (6272, 35301), (6724, 32928), (6888, 32144), (7872, 28126), (8036, 27552), (8232, 26896), (9184, 24108), (9408, 23534), (10086, 21952), (10976, 20172), (11767, 18816), (12054, 18368), (13448, 16464), (13776, 16072), (14063, 15744)]