208191480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{247847}}^1$

素因数の和:247868

約数の個数: 64

約数和(自身を含む): 713802240

約数和(自身を除く): 505610760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 247847, 495694, 743541, 991388, 1239235, 1487082, 1734929, 1982776, 2478470, 2974164, 3469858, 3717705, 4956940, 5204787, 5948328, 6939716, 7435410, 8674645, 9913880, 10409574, 13879432, 14870820, 17349290, 20819148, 26023935, 29741640, 34698580, 41638296, 52047870, 69397160, 104095740, 208191480]

約数ペア:

[(1, 208191480), (2, 104095740), (3, 69397160), (4, 52047870), (5, 41638296), (6, 34698580), (7, 29741640), (8, 26023935), (10, 20819148), (12, 17349290), (14, 14870820), (15, 13879432), (20, 10409574), (21, 9913880), (24, 8674645), (28, 7435410), (30, 6939716), (35, 5948328), (40, 5204787), (42, 4956940), (56, 3717705), (60, 3469858), (70, 2974164), (84, 2478470), (105, 1982776), (120, 1734929), (140, 1487082), (168, 1239235), (210, 991388), (280, 743541), (420, 495694), (840, 247847)]