204090172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 448761600

約数和(自身を除く): 244671428

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 89, 143, 178, 209, 211, 247, 286, 356, 418, 422, 494, 572, 836, 844, 979, 988, 1157, 1691, 1958, 2314, 2321, 2717, 2743, 3382, 3916, 4009, 4628, 4642, 5434, 5486, 6764, 8018, 9284, 10868, 10972, 12727, 16036, 18601, 18779, 21983, 25454, 30173, 37202, 37558, 43966, 44099, 50908, 52117, 60346, 74404, 75116, 87932, 88198, 104234, 120692, 176396, 206569, 208468, 241813, 244127, 356801, 413138, 483626, 488254, 573287, 713602, 826276, 967252, 976508, 1146574, 1427204, 2293148, 2685397, 3924811, 4638413, 5370794, 7849622, 9276826, 10741588, 15699244, 18553652, 51022543, 102045086, 204090172]

約数ペア:

[(1, 204090172), (2, 102045086), (4, 51022543), (11, 18553652), (13, 15699244), (19, 10741588), (22, 9276826), (26, 7849622), (38, 5370794), (44, 4638413), (52, 3924811), (76, 2685397), (89, 2293148), (143, 1427204), (178, 1146574), (209, 976508), (211, 967252), (247, 826276), (286, 713602), (356, 573287), (418, 488254), (422, 483626), (494, 413138), (572, 356801), (836, 244127), (844, 241813), (979, 208468), (988, 206569), (1157, 176396), (1691, 120692), (1958, 104234), (2314, 88198), (2321, 87932), (2717, 75116), (2743, 74404), (3382, 60346), (3916, 52117), (4009, 50908), (4628, 44099), (4642, 43966), (5434, 37558), (5486, 37202), (6764, 30173), (8018, 25454), (9284, 21983), (10868, 18779), (10972, 18601), (12727, 16036)]