220381356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 577024000

約数和(自身を除く): 356642644

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 199, 229, 372, 398, 403, 458, 597, 687, 796, 806, 916, 1194, 1209, 1374, 1612, 2388, 2418, 2587, 2748, 2977, 4836, 5174, 5954, 6169, 7099, 7761, 8931, 10348, 11908, 12338, 14198, 15522, 17862, 18507, 21297, 24676, 28396, 31044, 35724, 37014, 42594, 45571, 74028, 80197, 85188, 91142, 92287, 136713, 160394, 182284, 184574, 240591, 273426, 276861, 320788, 369148, 481182, 546852, 553722, 592423, 962364, 1107444, 1184846, 1412701, 1777269, 2369692, 2825402, 3554538, 4238103, 5650804, 7109076, 8476206, 16952412, 18365113, 36730226, 55095339, 73460452, 110190678, 220381356]

約数ペア:

[(1, 220381356), (2, 110190678), (3, 73460452), (4, 55095339), (6, 36730226), (12, 18365113), (13, 16952412), (26, 8476206), (31, 7109076), (39, 5650804), (52, 4238103), (62, 3554538), (78, 2825402), (93, 2369692), (124, 1777269), (156, 1412701), (186, 1184846), (199, 1107444), (229, 962364), (372, 592423), (398, 553722), (403, 546852), (458, 481182), (597, 369148), (687, 320788), (796, 276861), (806, 273426), (916, 240591), (1194, 184574), (1209, 182284), (1374, 160394), (1612, 136713), (2388, 92287), (2418, 91142), (2587, 85188), (2748, 80197), (2977, 74028), (4836, 45571), (5174, 42594), (5954, 37014), (6169, 35724), (7099, 31044), (7761, 28396), (8931, 24676), (10348, 21297), (11908, 18507), (12338, 17862), (14198, 15522)]