255858400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 216

約数和(自身を含む): 745405416

約数和(自身を除く): 489547016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 61, 70, 80, 98, 100, 107, 112, 122, 140, 160, 175, 196, 200, 214, 224, 244, 245, 280, 305, 350, 392, 400, 427, 428, 488, 490, 535, 560, 610, 700, 749, 784, 800, 854, 856, 976, 980, 1070, 1120, 1220, 1225, 1400, 1498, 1525, 1568, 1708, 1712, 1952, 1960, 2135, 2140, 2440, 2450, 2675, 2800, 2989, 2996, 3050, 3416, 3424, 3745, 3920, 4270, 4280, 4880, 4900, 5243, 5350, 5600, 5978, 5992, 6100, 6527, 6832, 7490, 7840, 8540, 8560, 9760, 9800, 10486, 10675, 10700, 11956, 11984, 12200, 13054, 13664, 14945, 14980, 17080, 17120, 18725, 19600, 20972, 21350, 21400, 23912, 23968, 24400, 26108, 26215, 29890, 29960, 32635, 34160, 37450, 39200, 41944, 42700, 42800, 45689, 47824, 48800, 52216, 52430, 59780, 59920, 65270, 68320, 74725, 74900, 83888, 85400, 85600, 91378, 95648, 104432, 104860, 119560, 119840, 130540, 131075, 149450, 149800, 163175, 167776, 170800, 182756, 208864, 209720, 228445, 239120, 261080, 262150, 298900, 299600, 319823, 326350, 341600, 365512, 419440, 456890, 478240, 522160, 524300, 597800, 599200, 639646, 652700, 731024, 838880, 913780, 1044320, 1048600, 1142225, 1195600, 1279292, 1305400, 1462048, 1599115, 1827560, 2097200, 2284450, 2391200, 2558584, 2610800, 3198230, 3655120, 4194400, 4568900, 5117168, 5221600, 6396460, 7310240, 7995575, 9137800, 10234336, 12792920, 15991150, 18275600, 25585840, 31982300, 36551200, 51171680, 63964600, 127929200, 255858400]

約数ペア:

[(1, 255858400), (2, 127929200), (4, 63964600), (5, 51171680), (7, 36551200), (8, 31982300), (10, 25585840), (14, 18275600), (16, 15991150), (20, 12792920), (25, 10234336), (28, 9137800), (32, 7995575), (35, 7310240), (40, 6396460), (49, 5221600), (50, 5117168), (56, 4568900), (61, 4194400), (70, 3655120), (80, 3198230), (98, 2610800), (100, 2558584), (107, 2391200), (112, 2284450), (122, 2097200), (140, 1827560), (160, 1599115), (175, 1462048), (196, 1305400), (200, 1279292), (214, 1195600), (224, 1142225), (244, 1048600), (245, 1044320), (280, 913780), (305, 838880), (350, 731024), (392, 652700), (400, 639646), (427, 599200), (428, 597800), (488, 524300), (490, 522160), (535, 478240), (560, 456890), (610, 419440), (700, 365512), (749, 341600), (784, 326350), (800, 319823), (854, 299600), (856, 298900), (976, 262150), (980, 261080), (1070, 239120), (1120, 228445), (1220, 209720), (1225, 208864), (1400, 182756), (1498, 170800), (1525, 167776), (1568, 163175), (1708, 149800), (1712, 149450), (1952, 131075), (1960, 130540), (2135, 119840), (2140, 119560), (2440, 104860), (2450, 104432), (2675, 95648), (2800, 91378), (2989, 85600), (2996, 85400), (3050, 83888), (3416, 74900), (3424, 74725), (3745, 68320), (3920, 65270), (4270, 59920), (4280, 59780), (4880, 52430), (4900, 52216), (5243, 48800), (5350, 47824), (5600, 45689), (5978, 42800), (5992, 42700), (6100, 41944), (6527, 39200), (6832, 37450), (7490, 34160), (7840, 32635), (8540, 29960), (8560, 29890), (9760, 26215), (9800, 26108), (10486, 24400), (10675, 23968), (10700, 23912), (11956, 21400), (11984, 21350), (12200, 20972), (13054, 19600), (13664, 18725), (14945, 17120), (14980, 17080)]