205139928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 609523200

約数和(自身を除く): 404383272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 73, 84, 86, 129, 146, 168, 172, 219, 258, 292, 301, 344, 389, 438, 511, 516, 584, 602, 778, 876, 903, 1022, 1032, 1167, 1204, 1533, 1556, 1752, 1806, 2044, 2334, 2408, 2723, 3066, 3112, 3139, 3612, 4088, 4668, 5446, 6132, 6278, 7224, 8169, 9336, 9417, 10892, 12264, 12556, 16338, 16727, 18834, 21784, 21973, 25112, 28397, 32676, 33454, 37668, 43946, 50181, 56794, 65352, 65919, 66908, 75336, 85191, 87892, 100362, 113588, 117089, 131838, 133816, 170382, 175784, 198779, 200724, 227176, 234178, 263676, 340764, 351267, 397558, 401448, 468356, 527352, 596337, 681528, 702534, 795116, 936712, 1192674, 1221071, 1405068, 1590232, 2385348, 2442142, 2810136, 3663213, 4770696, 4884284, 7326426, 8547497, 9768568, 14652852, 17094994, 25642491, 29305704, 34189988, 51284982, 68379976, 102569964, 205139928]

約数ペア:

[(1, 205139928), (2, 102569964), (3, 68379976), (4, 51284982), (6, 34189988), (7, 29305704), (8, 25642491), (12, 17094994), (14, 14652852), (21, 9768568), (24, 8547497), (28, 7326426), (42, 4884284), (43, 4770696), (56, 3663213), (73, 2810136), (84, 2442142), (86, 2385348), (129, 1590232), (146, 1405068), (168, 1221071), (172, 1192674), (219, 936712), (258, 795116), (292, 702534), (301, 681528), (344, 596337), (389, 527352), (438, 468356), (511, 401448), (516, 397558), (584, 351267), (602, 340764), (778, 263676), (876, 234178), (903, 227176), (1022, 200724), (1032, 198779), (1167, 175784), (1204, 170382), (1533, 133816), (1556, 131838), (1752, 117089), (1806, 113588), (2044, 100362), (2334, 87892), (2408, 85191), (2723, 75336), (3066, 66908), (3112, 65919), (3139, 65352), (3612, 56794), (4088, 50181), (4668, 43946), (5446, 37668), (6132, 33454), (6278, 32676), (7224, 28397), (8169, 25112), (9336, 21973), (9417, 21784), (10892, 18834), (12264, 16727), (12556, 16338)]