251283200

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 216

約数和(自身を含む): 729953280

約数和(自身を除く): 478670080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 71, 79, 80, 100, 112, 128, 140, 142, 158, 160, 175, 200, 224, 256, 280, 284, 316, 320, 350, 355, 395, 400, 448, 497, 553, 560, 568, 632, 640, 700, 710, 790, 800, 896, 994, 1106, 1120, 1136, 1264, 1280, 1400, 1420, 1580, 1600, 1775, 1792, 1975, 1988, 2212, 2240, 2272, 2485, 2528, 2765, 2800, 2840, 3160, 3200, 3550, 3950, 3976, 4424, 4480, 4544, 4970, 5056, 5530, 5600, 5609, 5680, 6320, 6400, 7100, 7900, 7952, 8848, 8960, 9088, 9940, 10112, 11060, 11200, 11218, 11360, 12425, 12640, 13825, 14200, 15800, 15904, 17696, 18176, 19880, 20224, 22120, 22400, 22436, 22720, 24850, 25280, 27650, 28045, 28400, 31600, 31808, 35392, 39263, 39760, 44240, 44800, 44872, 45440, 49700, 50560, 55300, 56090, 56800, 63200, 63616, 70784, 78526, 79520, 88480, 89744, 90880, 99400, 101120, 110600, 112180, 113600, 126400, 127232, 140225, 141568, 157052, 159040, 176960, 179488, 196315, 198800, 221200, 224360, 227200, 252800, 280450, 314104, 318080, 353920, 358976, 392630, 397600, 442400, 448720, 454400, 505600, 560900, 628208, 636160, 707840, 717952, 785260, 795200, 884800, 897440, 981575, 1121800, 1256416, 1435904, 1570520, 1590400, 1769600, 1794880, 1963150, 2243600, 2512832, 3141040, 3180800, 3539200, 3589760, 3926300, 4487200, 5025664, 6282080, 7179520, 7852600, 8974400, 10051328, 12564160, 15705200, 17948800, 25128320, 31410400, 35897600, 50256640, 62820800, 125641600, 251283200]

約数ペア:

[(1, 251283200), (2, 125641600), (4, 62820800), (5, 50256640), (7, 35897600), (8, 31410400), (10, 25128320), (14, 17948800), (16, 15705200), (20, 12564160), (25, 10051328), (28, 8974400), (32, 7852600), (35, 7179520), (40, 6282080), (50, 5025664), (56, 4487200), (64, 3926300), (70, 3589760), (71, 3539200), (79, 3180800), (80, 3141040), (100, 2512832), (112, 2243600), (128, 1963150), (140, 1794880), (142, 1769600), (158, 1590400), (160, 1570520), (175, 1435904), (200, 1256416), (224, 1121800), (256, 981575), (280, 897440), (284, 884800), (316, 795200), (320, 785260), (350, 717952), (355, 707840), (395, 636160), (400, 628208), (448, 560900), (497, 505600), (553, 454400), (560, 448720), (568, 442400), (632, 397600), (640, 392630), (700, 358976), (710, 353920), (790, 318080), (800, 314104), (896, 280450), (994, 252800), (1106, 227200), (1120, 224360), (1136, 221200), (1264, 198800), (1280, 196315), (1400, 179488), (1420, 176960), (1580, 159040), (1600, 157052), (1775, 141568), (1792, 140225), (1975, 127232), (1988, 126400), (2212, 113600), (2240, 112180), (2272, 110600), (2485, 101120), (2528, 99400), (2765, 90880), (2800, 89744), (2840, 88480), (3160, 79520), (3200, 78526), (3550, 70784), (3950, 63616), (3976, 63200), (4424, 56800), (4480, 56090), (4544, 55300), (4970, 50560), (5056, 49700), (5530, 45440), (5600, 44872), (5609, 44800), (5680, 44240), (6320, 39760), (6400, 39263), (7100, 35392), (7900, 31808), (7952, 31600), (8848, 28400), (8960, 28045), (9088, 27650), (9940, 25280), (10112, 24850), (11060, 22720), (11200, 22436), (11218, 22400), (11360, 22120), (12425, 20224), (12640, 19880), (13825, 18176), (14200, 17696), (15800, 15904)]