78898400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 144

約数和(自身を含む): 224298144

約数和(自身を除く): 145399744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 73, 80, 100, 112, 140, 146, 160, 175, 193, 200, 224, 280, 292, 350, 365, 386, 400, 511, 560, 584, 700, 730, 772, 800, 965, 1022, 1120, 1168, 1351, 1400, 1460, 1544, 1825, 1930, 2044, 2336, 2555, 2702, 2800, 2920, 3088, 3650, 3860, 4088, 4825, 5110, 5404, 5600, 5840, 6176, 6755, 7300, 7720, 8176, 9650, 10220, 10808, 11680, 12775, 13510, 14089, 14600, 15440, 16352, 19300, 20440, 21616, 25550, 27020, 28178, 29200, 30880, 33775, 38600, 40880, 43232, 51100, 54040, 56356, 58400, 67550, 70445, 77200, 81760, 98623, 102200, 108080, 112712, 135100, 140890, 154400, 197246, 204400, 216160, 225424, 270200, 281780, 352225, 394492, 408800, 450848, 493115, 540400, 563560, 704450, 788984, 986230, 1080800, 1127120, 1408900, 1577968, 1972460, 2254240, 2465575, 2817800, 3155936, 3944920, 4931150, 5635600, 7889840, 9862300, 11271200, 15779680, 19724600, 39449200, 78898400]

約数ペア:

[(1, 78898400), (2, 39449200), (4, 19724600), (5, 15779680), (7, 11271200), (8, 9862300), (10, 7889840), (14, 5635600), (16, 4931150), (20, 3944920), (25, 3155936), (28, 2817800), (32, 2465575), (35, 2254240), (40, 1972460), (50, 1577968), (56, 1408900), (70, 1127120), (73, 1080800), (80, 986230), (100, 788984), (112, 704450), (140, 563560), (146, 540400), (160, 493115), (175, 450848), (193, 408800), (200, 394492), (224, 352225), (280, 281780), (292, 270200), (350, 225424), (365, 216160), (386, 204400), (400, 197246), (511, 154400), (560, 140890), (584, 135100), (700, 112712), (730, 108080), (772, 102200), (800, 98623), (965, 81760), (1022, 77200), (1120, 70445), (1168, 67550), (1351, 58400), (1400, 56356), (1460, 54040), (1544, 51100), (1825, 43232), (1930, 40880), (2044, 38600), (2336, 33775), (2555, 30880), (2702, 29200), (2800, 28178), (2920, 27020), (3088, 25550), (3650, 21616), (3860, 20440), (4088, 19300), (4825, 16352), (5110, 15440), (5404, 14600), (5600, 14089), (5840, 13510), (6176, 12775), (6755, 11680), (7300, 10808), (7720, 10220), (8176, 9650)]