204303440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1297}}^1$

素因数の和:1500

約数の個数: 80

約数和(自身を含む): 521484480

約数和(自身を除く): 317181040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 179, 220, 358, 440, 716, 880, 895, 1297, 1432, 1790, 1969, 2594, 2864, 3580, 3938, 5188, 6485, 7160, 7876, 9845, 10376, 12970, 14267, 14320, 15752, 19690, 20752, 25940, 28534, 31504, 39380, 51880, 57068, 71335, 78760, 103760, 114136, 142670, 157520, 228272, 232163, 285340, 464326, 570680, 928652, 1141360, 1160815, 1857304, 2321630, 2553793, 3714608, 4643260, 5107586, 9286520, 10215172, 12768965, 18573040, 20430344, 25537930, 40860688, 51075860, 102151720, 204303440]

約数ペア:

[(1, 204303440), (2, 102151720), (4, 51075860), (5, 40860688), (8, 25537930), (10, 20430344), (11, 18573040), (16, 12768965), (20, 10215172), (22, 9286520), (40, 5107586), (44, 4643260), (55, 3714608), (80, 2553793), (88, 2321630), (110, 1857304), (176, 1160815), (179, 1141360), (220, 928652), (358, 570680), (440, 464326), (716, 285340), (880, 232163), (895, 228272), (1297, 157520), (1432, 142670), (1790, 114136), (1969, 103760), (2594, 78760), (2864, 71335), (3580, 57068), (3938, 51880), (5188, 39380), (6485, 31504), (7160, 28534), (7876, 25940), (9845, 20752), (10376, 19690), (12970, 15752), (14267, 14320)]