178631388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20089}}^1$

素因数の和:20131

約数の個数: 72

約数和(自身を含む): 511893200

約数和(自身を除く): 333261812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 20089, 40178, 60267, 80356, 120534, 180801, 241068, 261157, 361602, 381691, 522314, 723204, 763382, 783471, 1044628, 1145073, 1526764, 1566942, 2290146, 2350413, 3133884, 3435219, 4580292, 4700826, 4961983, 6870438, 9401652, 9923966, 13740876, 14885949, 19847932, 29771898, 44657847, 59543796, 89315694, 178631388]

約数ペア:

[(1, 178631388), (2, 89315694), (3, 59543796), (4, 44657847), (6, 29771898), (9, 19847932), (12, 14885949), (13, 13740876), (18, 9923966), (19, 9401652), (26, 6870438), (36, 4961983), (38, 4700826), (39, 4580292), (52, 3435219), (57, 3133884), (76, 2350413), (78, 2290146), (114, 1566942), (117, 1526764), (156, 1145073), (171, 1044628), (228, 783471), (234, 763382), (247, 723204), (342, 522314), (468, 381691), (494, 361602), (684, 261157), (741, 241068), (988, 180801), (1482, 120534), (2223, 80356), (2964, 60267), (4446, 40178), (8892, 20089)]