220478856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 620524800

約数和(自身を除く): 400045944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 71, 74, 78, 104, 111, 142, 148, 156, 213, 222, 269, 284, 296, 312, 426, 444, 481, 538, 568, 807, 852, 888, 923, 962, 1076, 1443, 1614, 1704, 1846, 1924, 2152, 2627, 2769, 2886, 3228, 3497, 3692, 3848, 5254, 5538, 5772, 6456, 6994, 7384, 7881, 9953, 10491, 10508, 11076, 11544, 13988, 15762, 19099, 19906, 20982, 21016, 22152, 27976, 29859, 31524, 34151, 38198, 39812, 41964, 57297, 59718, 63048, 68302, 76396, 79624, 83928, 102453, 114594, 119436, 129389, 136604, 152792, 204906, 229188, 238872, 248287, 258778, 273208, 388167, 409812, 458376, 496574, 517556, 706663, 744861, 776334, 819624, 993148, 1035112, 1413326, 1489722, 1552668, 1986296, 2119989, 2826652, 2979444, 3105336, 4239978, 5653304, 5958888, 8479956, 9186619, 16959912, 18373238, 27559857, 36746476, 55119714, 73492952, 110239428, 220478856]

約数ペア:

[(1, 220478856), (2, 110239428), (3, 73492952), (4, 55119714), (6, 36746476), (8, 27559857), (12, 18373238), (13, 16959912), (24, 9186619), (26, 8479956), (37, 5958888), (39, 5653304), (52, 4239978), (71, 3105336), (74, 2979444), (78, 2826652), (104, 2119989), (111, 1986296), (142, 1552668), (148, 1489722), (156, 1413326), (213, 1035112), (222, 993148), (269, 819624), (284, 776334), (296, 744861), (312, 706663), (426, 517556), (444, 496574), (481, 458376), (538, 409812), (568, 388167), (807, 273208), (852, 258778), (888, 248287), (923, 238872), (962, 229188), (1076, 204906), (1443, 152792), (1614, 136604), (1704, 129389), (1846, 119436), (1924, 114594), (2152, 102453), (2627, 83928), (2769, 79624), (2886, 76396), (3228, 68302), (3497, 63048), (3692, 59718), (3848, 57297), (5254, 41964), (5538, 39812), (5772, 38198), (6456, 34151), (6994, 31524), (7384, 29859), (7881, 27976), (9953, 22152), (10491, 21016), (10508, 20982), (11076, 19906), (11544, 19099), (13988, 15762)]