71667400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 198469440

約数和(自身を除く): 126802040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 71, 98, 100, 103, 140, 142, 175, 196, 200, 206, 245, 280, 284, 350, 355, 392, 412, 490, 497, 515, 568, 700, 710, 721, 824, 980, 994, 1030, 1225, 1400, 1420, 1442, 1775, 1960, 1988, 2060, 2450, 2485, 2575, 2840, 2884, 3479, 3550, 3605, 3976, 4120, 4900, 4970, 5047, 5150, 5768, 6958, 7100, 7210, 7313, 9800, 9940, 10094, 10300, 12425, 13916, 14200, 14420, 14626, 17395, 18025, 19880, 20188, 20600, 24850, 25235, 27832, 28840, 29252, 34790, 36050, 36565, 40376, 49700, 50470, 51191, 58504, 69580, 72100, 73130, 86975, 99400, 100940, 102382, 126175, 139160, 144200, 146260, 173950, 182825, 201880, 204764, 252350, 255955, 292520, 347900, 358337, 365650, 409528, 504700, 511910, 695800, 716674, 731300, 1009400, 1023820, 1279775, 1433348, 1462600, 1791685, 2047640, 2559550, 2866696, 3583370, 5119100, 7166740, 8958425, 10238200, 14333480, 17916850, 35833700, 71667400]

約数ペア:

[(1, 71667400), (2, 35833700), (4, 17916850), (5, 14333480), (7, 10238200), (8, 8958425), (10, 7166740), (14, 5119100), (20, 3583370), (25, 2866696), (28, 2559550), (35, 2047640), (40, 1791685), (49, 1462600), (50, 1433348), (56, 1279775), (70, 1023820), (71, 1009400), (98, 731300), (100, 716674), (103, 695800), (140, 511910), (142, 504700), (175, 409528), (196, 365650), (200, 358337), (206, 347900), (245, 292520), (280, 255955), (284, 252350), (350, 204764), (355, 201880), (392, 182825), (412, 173950), (490, 146260), (497, 144200), (515, 139160), (568, 126175), (700, 102382), (710, 100940), (721, 99400), (824, 86975), (980, 73130), (994, 72100), (1030, 69580), (1225, 58504), (1400, 51191), (1420, 50470), (1442, 49700), (1775, 40376), (1960, 36565), (1988, 36050), (2060, 34790), (2450, 29252), (2485, 28840), (2575, 27832), (2840, 25235), (2884, 24850), (3479, 20600), (3550, 20188), (3605, 19880), (3976, 18025), (4120, 17395), (4900, 14626), (4970, 14420), (5047, 14200), (5150, 13916), (5768, 12425), (6958, 10300), (7100, 10094), (7210, 9940), (7313, 9800)]