123205600

素因数分解:

$2^5\times 5^2\times 7^3\times {\mathrm{449}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 351540000

約数和(自身を除く): 228334400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 343, 350, 392, 400, 449, 490, 560, 686, 700, 784, 800, 898, 980, 1120, 1225, 1372, 1400, 1568, 1715, 1796, 1960, 2245, 2450, 2744, 2800, 3143, 3430, 3592, 3920, 4490, 4900, 5488, 5600, 6286, 6860, 7184, 7840, 8575, 8980, 9800, 10976, 11225, 12572, 13720, 14368, 15715, 17150, 17960, 19600, 22001, 22450, 25144, 27440, 31430, 34300, 35920, 39200, 44002, 44900, 50288, 54880, 62860, 68600, 71840, 78575, 88004, 89800, 100576, 110005, 125720, 137200, 154007, 157150, 176008, 179600, 220010, 251440, 274400, 308014, 314300, 352016, 359200, 440020, 502880, 550025, 616028, 628600, 704032, 770035, 880040, 1100050, 1232056, 1257200, 1540070, 1760080, 2200100, 2464112, 2514400, 3080140, 3520160, 3850175, 4400200, 4928224, 6160280, 7700350, 8800400, 12320560, 15400700, 17600800, 24641120, 30801400, 61602800, 123205600]

約数ペア:

[(1, 123205600), (2, 61602800), (4, 30801400), (5, 24641120), (7, 17600800), (8, 15400700), (10, 12320560), (14, 8800400), (16, 7700350), (20, 6160280), (25, 4928224), (28, 4400200), (32, 3850175), (35, 3520160), (40, 3080140), (49, 2514400), (50, 2464112), (56, 2200100), (70, 1760080), (80, 1540070), (98, 1257200), (100, 1232056), (112, 1100050), (140, 880040), (160, 770035), (175, 704032), (196, 628600), (200, 616028), (224, 550025), (245, 502880), (280, 440020), (343, 359200), (350, 352016), (392, 314300), (400, 308014), (449, 274400), (490, 251440), (560, 220010), (686, 179600), (700, 176008), (784, 157150), (800, 154007), (898, 137200), (980, 125720), (1120, 110005), (1225, 100576), (1372, 89800), (1400, 88004), (1568, 78575), (1715, 71840), (1796, 68600), (1960, 62860), (2245, 54880), (2450, 50288), (2744, 44900), (2800, 44002), (3143, 39200), (3430, 35920), (3592, 34300), (3920, 31430), (4490, 27440), (4900, 25144), (5488, 22450), (5600, 22001), (6286, 19600), (6860, 17960), (7184, 17150), (7840, 15715), (8575, 14368), (8980, 13720), (9800, 12572), (10976, 11225)]