42209720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1187}}^1$

素因数の和:1332

約数の個数: 64

約数和(自身を含む): 109486080

約数和(自身を除く): 67276360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1187, 1270, 1778, 2374, 2540, 3556, 4445, 4748, 5080, 5935, 7112, 8309, 8890, 9496, 11870, 16618, 17780, 23740, 33236, 35560, 41545, 47480, 66472, 83090, 150749, 166180, 301498, 332360, 602996, 753745, 1055243, 1205992, 1507490, 2110486, 3014980, 4220972, 5276215, 6029960, 8441944, 10552430, 21104860, 42209720]

約数ペア:

[(1, 42209720), (2, 21104860), (4, 10552430), (5, 8441944), (7, 6029960), (8, 5276215), (10, 4220972), (14, 3014980), (20, 2110486), (28, 1507490), (35, 1205992), (40, 1055243), (56, 753745), (70, 602996), (127, 332360), (140, 301498), (254, 166180), (280, 150749), (508, 83090), (635, 66472), (889, 47480), (1016, 41545), (1187, 35560), (1270, 33236), (1778, 23740), (2374, 17780), (2540, 16618), (3556, 11870), (4445, 9496), (4748, 8890), (5080, 8309), (5935, 7112)]