256244800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:333

約数の個数: 168

約数和(自身を含む): 730203264

約数和(自身を除く): 473958464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 137, 140, 160, 167, 175, 200, 224, 274, 280, 320, 334, 350, 400, 448, 548, 560, 668, 685, 700, 800, 835, 959, 1096, 1120, 1169, 1336, 1370, 1400, 1600, 1670, 1918, 2192, 2240, 2338, 2672, 2740, 2800, 3340, 3425, 3836, 4175, 4384, 4676, 4795, 5344, 5480, 5600, 5845, 6680, 6850, 7672, 8350, 8768, 9352, 9590, 10688, 10960, 11200, 11690, 13360, 13700, 15344, 16700, 18704, 19180, 21920, 22879, 23380, 23975, 26720, 27400, 29225, 30688, 33400, 37408, 38360, 43840, 45758, 46760, 47950, 53440, 54800, 58450, 61376, 66800, 74816, 76720, 91516, 93520, 95900, 109600, 114395, 116900, 133600, 153440, 160153, 183032, 187040, 191800, 219200, 228790, 233800, 267200, 306880, 320306, 366064, 374080, 383600, 457580, 467600, 571975, 640612, 732128, 767200, 800765, 915160, 935200, 1143950, 1281224, 1464256, 1534400, 1601530, 1830320, 1870400, 2287900, 2562448, 3203060, 3660640, 4003825, 4575800, 5124896, 6406120, 7321280, 8007650, 9151600, 10249792, 12812240, 16015300, 18303200, 25624480, 32030600, 36606400, 51248960, 64061200, 128122400, 256244800]

約数ペア:

[(1, 256244800), (2, 128122400), (4, 64061200), (5, 51248960), (7, 36606400), (8, 32030600), (10, 25624480), (14, 18303200), (16, 16015300), (20, 12812240), (25, 10249792), (28, 9151600), (32, 8007650), (35, 7321280), (40, 6406120), (50, 5124896), (56, 4575800), (64, 4003825), (70, 3660640), (80, 3203060), (100, 2562448), (112, 2287900), (137, 1870400), (140, 1830320), (160, 1601530), (167, 1534400), (175, 1464256), (200, 1281224), (224, 1143950), (274, 935200), (280, 915160), (320, 800765), (334, 767200), (350, 732128), (400, 640612), (448, 571975), (548, 467600), (560, 457580), (668, 383600), (685, 374080), (700, 366064), (800, 320306), (835, 306880), (959, 267200), (1096, 233800), (1120, 228790), (1169, 219200), (1336, 191800), (1370, 187040), (1400, 183032), (1600, 160153), (1670, 153440), (1918, 133600), (2192, 116900), (2240, 114395), (2338, 109600), (2672, 95900), (2740, 93520), (2800, 91516), (3340, 76720), (3425, 74816), (3836, 66800), (4175, 61376), (4384, 58450), (4676, 54800), (4795, 53440), (5344, 47950), (5480, 46760), (5600, 45758), (5845, 43840), (6680, 38360), (6850, 37408), (7672, 33400), (8350, 30688), (8768, 29225), (9352, 27400), (9590, 26720), (10688, 23975), (10960, 23380), (11200, 22879), (11690, 21920), (13360, 19180), (13700, 18704), (15344, 16700)]