201920004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:738

約数の個数: 144

約数和(自身を含む): 610419264

約数和(自身を除く): 408499260

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 61, 66, 78, 99, 117, 122, 132, 143, 156, 183, 198, 234, 244, 286, 366, 396, 429, 468, 549, 572, 643, 671, 732, 793, 858, 1098, 1286, 1287, 1342, 1586, 1716, 1929, 2013, 2196, 2379, 2572, 2574, 2684, 3172, 3858, 4026, 4758, 5148, 5787, 6039, 7073, 7137, 7716, 8052, 8359, 8723, 9516, 11574, 12078, 14146, 14274, 16718, 17446, 21219, 23148, 24156, 25077, 26169, 28292, 28548, 33436, 34892, 39223, 42438, 50154, 52338, 63657, 75231, 78446, 78507, 84876, 91949, 100308, 104676, 117669, 127314, 150462, 156892, 157014, 183898, 235338, 254628, 275847, 300924, 314028, 353007, 367796, 431453, 470676, 509899, 551694, 706014, 827541, 862906, 1019798, 1103388, 1294359, 1412028, 1529697, 1655082, 1725812, 2039596, 2588718, 3059394, 3310164, 3883077, 4589091, 5177436, 5608889, 6118788, 7766154, 9178182, 11217778, 15532308, 16826667, 18356364, 22435556, 33653334, 50480001, 67306668, 100960002, 201920004]

約数ペア:

[(1, 201920004), (2, 100960002), (3, 67306668), (4, 50480001), (6, 33653334), (9, 22435556), (11, 18356364), (12, 16826667), (13, 15532308), (18, 11217778), (22, 9178182), (26, 7766154), (33, 6118788), (36, 5608889), (39, 5177436), (44, 4589091), (52, 3883077), (61, 3310164), (66, 3059394), (78, 2588718), (99, 2039596), (117, 1725812), (122, 1655082), (132, 1529697), (143, 1412028), (156, 1294359), (183, 1103388), (198, 1019798), (234, 862906), (244, 827541), (286, 706014), (366, 551694), (396, 509899), (429, 470676), (468, 431453), (549, 367796), (572, 353007), (643, 314028), (671, 300924), (732, 275847), (793, 254628), (858, 235338), (1098, 183898), (1286, 157014), (1287, 156892), (1342, 150462), (1586, 127314), (1716, 117669), (1929, 104676), (2013, 100308), (2196, 91949), (2379, 84876), (2572, 78507), (2574, 78446), (2684, 75231), (3172, 63657), (3858, 52338), (4026, 50154), (4758, 42438), (5148, 39223), (5787, 34892), (6039, 33436), (7073, 28548), (7137, 28292), (7716, 26169), (8052, 25077), (8359, 24156), (8723, 23148), (9516, 21219), (11574, 17446), (12078, 16718), (14146, 14274)]