217897600

素因数分解:

$2^7\times 5^2\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:630

約数の個数: 96

約数和(自身を含む): 543073500

約数和(自身を除く): 325175900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 149, 160, 200, 298, 320, 400, 457, 596, 640, 745, 800, 914, 1192, 1490, 1600, 1828, 2285, 2384, 2980, 3200, 3656, 3725, 4570, 4768, 5960, 7312, 7450, 9140, 9536, 11425, 11920, 14624, 14900, 18280, 19072, 22850, 23840, 29248, 29800, 36560, 45700, 47680, 58496, 59600, 68093, 73120, 91400, 95360, 119200, 136186, 146240, 182800, 238400, 272372, 292480, 340465, 365600, 476800, 544744, 680930, 731200, 1089488, 1361860, 1462400, 1702325, 2178976, 2723720, 3404650, 4357952, 5447440, 6809300, 8715904, 10894880, 13618600, 21789760, 27237200, 43579520, 54474400, 108948800, 217897600]

約数ペア:

[(1, 217897600), (2, 108948800), (4, 54474400), (5, 43579520), (8, 27237200), (10, 21789760), (16, 13618600), (20, 10894880), (25, 8715904), (32, 6809300), (40, 5447440), (50, 4357952), (64, 3404650), (80, 2723720), (100, 2178976), (128, 1702325), (149, 1462400), (160, 1361860), (200, 1089488), (298, 731200), (320, 680930), (400, 544744), (457, 476800), (596, 365600), (640, 340465), (745, 292480), (800, 272372), (914, 238400), (1192, 182800), (1490, 146240), (1600, 136186), (1828, 119200), (2285, 95360), (2384, 91400), (2980, 73120), (3200, 68093), (3656, 59600), (3725, 58496), (4570, 47680), (4768, 45700), (5960, 36560), (7312, 29800), (7450, 29248), (9140, 23840), (9536, 22850), (11425, 19072), (11920, 18280), (14624, 14900)]