219872800

素因数分解:

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

素因数の和:184

約数の個数: 216

約数和(自身を含む): 641208960

約数和(自身を除く): 421336160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 71, 79, 80, 98, 100, 112, 140, 142, 158, 160, 175, 196, 200, 224, 245, 280, 284, 316, 350, 355, 392, 395, 400, 490, 497, 553, 560, 568, 632, 700, 710, 784, 790, 800, 980, 994, 1106, 1120, 1136, 1225, 1264, 1400, 1420, 1568, 1580, 1775, 1960, 1975, 1988, 2212, 2272, 2450, 2485, 2528, 2765, 2800, 2840, 3160, 3479, 3550, 3871, 3920, 3950, 3976, 4424, 4900, 4970, 5530, 5600, 5609, 5680, 6320, 6958, 7100, 7742, 7840, 7900, 7952, 8848, 9800, 9940, 11060, 11218, 11360, 12425, 12640, 13825, 13916, 14200, 15484, 15800, 15904, 17395, 17696, 19355, 19600, 19880, 22120, 22436, 24850, 27650, 27832, 28045, 28400, 30968, 31600, 34790, 38710, 39200, 39263, 39760, 44240, 44872, 49700, 55300, 55664, 56090, 56800, 61936, 63200, 69580, 77420, 78526, 79520, 86975, 88480, 89744, 96775, 99400, 110600, 111328, 112180, 123872, 139160, 140225, 154840, 157052, 173950, 179488, 193550, 196315, 198800, 221200, 224360, 274841, 278320, 280450, 309680, 314104, 347900, 387100, 392630, 397600, 442400, 448720, 549682, 556640, 560900, 619360, 628208, 695800, 774200, 785260, 897440, 981575, 1099364, 1121800, 1256416, 1374205, 1391600, 1548400, 1570520, 1963150, 2198728, 2243600, 2748410, 2783200, 3096800, 3141040, 3926300, 4397456, 4487200, 5496820, 6282080, 6871025, 7852600, 8794912, 10993640, 13742050, 15705200, 21987280, 27484100, 31410400, 43974560, 54968200, 109936400, 219872800]

約数ペア:

[(1, 219872800), (2, 109936400), (4, 54968200), (5, 43974560), (7, 31410400), (8, 27484100), (10, 21987280), (14, 15705200), (16, 13742050), (20, 10993640), (25, 8794912), (28, 7852600), (32, 6871025), (35, 6282080), (40, 5496820), (49, 4487200), (50, 4397456), (56, 3926300), (70, 3141040), (71, 3096800), (79, 2783200), (80, 2748410), (98, 2243600), (100, 2198728), (112, 1963150), (140, 1570520), (142, 1548400), (158, 1391600), (160, 1374205), (175, 1256416), (196, 1121800), (200, 1099364), (224, 981575), (245, 897440), (280, 785260), (284, 774200), (316, 695800), (350, 628208), (355, 619360), (392, 560900), (395, 556640), (400, 549682), (490, 448720), (497, 442400), (553, 397600), (560, 392630), (568, 387100), (632, 347900), (700, 314104), (710, 309680), (784, 280450), (790, 278320), (800, 274841), (980, 224360), (994, 221200), (1106, 198800), (1120, 196315), (1136, 193550), (1225, 179488), (1264, 173950), (1400, 157052), (1420, 154840), (1568, 140225), (1580, 139160), (1775, 123872), (1960, 112180), (1975, 111328), (1988, 110600), (2212, 99400), (2272, 96775), (2450, 89744), (2485, 88480), (2528, 86975), (2765, 79520), (2800, 78526), (2840, 77420), (3160, 69580), (3479, 63200), (3550, 61936), (3871, 56800), (3920, 56090), (3950, 55664), (3976, 55300), (4424, 49700), (4900, 44872), (4970, 44240), (5530, 39760), (5600, 39263), (5609, 39200), (5680, 38710), (6320, 34790), (6958, 31600), (7100, 30968), (7742, 28400), (7840, 28045), (7900, 27832), (7952, 27650), (8848, 24850), (9800, 22436), (9940, 22120), (11060, 19880), (11218, 19600), (11360, 19355), (12425, 17696), (12640, 17395), (13825, 15904), (13916, 15800), (14200, 15484)]