319108972

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 760142880

約数和(自身を除く): 441033908

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 53, 68, 91, 98, 106, 119, 139, 182, 196, 212, 221, 238, 278, 364, 371, 442, 476, 556, 637, 689, 742, 833, 884, 901, 973, 1274, 1378, 1484, 1547, 1666, 1802, 1807, 1946, 2363, 2548, 2597, 2756, 3094, 3332, 3604, 3614, 3892, 4726, 4823, 5194, 6188, 6307, 6811, 7228, 7367, 9452, 9646, 10388, 10829, 11713, 12614, 12649, 13622, 14734, 16541, 19292, 21658, 23426, 25228, 25298, 27244, 29468, 30719, 33082, 33761, 43316, 44149, 46852, 50596, 51569, 61438, 66164, 67522, 81991, 88298, 88543, 95771, 103138, 115787, 122876, 125239, 135044, 163982, 176596, 177086, 191542, 206276, 215033, 231574, 250478, 327964, 354172, 360983, 383084, 430066, 463148, 500956, 573937, 670397, 721966, 860132, 876673, 1147874, 1340794, 1443932, 1505231, 1628107, 1753346, 2295748, 2681588, 3010462, 3256214, 3506692, 4692779, 6020924, 6136711, 6512428, 9385558, 11396749, 12273422, 18771116, 22793498, 24546844, 45586996, 79777243, 159554486, 319108972]

約数ペア:

[(1, 319108972), (2, 159554486), (4, 79777243), (7, 45586996), (13, 24546844), (14, 22793498), (17, 18771116), (26, 12273422), (28, 11396749), (34, 9385558), (49, 6512428), (52, 6136711), (53, 6020924), (68, 4692779), (91, 3506692), (98, 3256214), (106, 3010462), (119, 2681588), (139, 2295748), (182, 1753346), (196, 1628107), (212, 1505231), (221, 1443932), (238, 1340794), (278, 1147874), (364, 876673), (371, 860132), (442, 721966), (476, 670397), (556, 573937), (637, 500956), (689, 463148), (742, 430066), (833, 383084), (884, 360983), (901, 354172), (973, 327964), (1274, 250478), (1378, 231574), (1484, 215033), (1547, 206276), (1666, 191542), (1802, 177086), (1807, 176596), (1946, 163982), (2363, 135044), (2548, 125239), (2597, 122876), (2756, 115787), (3094, 103138), (3332, 95771), (3604, 88543), (3614, 88298), (3892, 81991), (4726, 67522), (4823, 66164), (5194, 61438), (6188, 51569), (6307, 50596), (6811, 46852), (7228, 44149), (7367, 43316), (9452, 33761), (9646, 33082), (10388, 30719), (10829, 29468), (11713, 27244), (12614, 25298), (12649, 25228), (13622, 23426), (14734, 21658), (16541, 19292)]