277850020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53639}}^1$

素因数の和:53692

約数の個数: 48

約数和(自身を含む): 684875520

約数和(自身を除く): 407025500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 53639, 107278, 214556, 268195, 375473, 536390, 750946, 1072780, 1501892, 1877365, 1984643, 3754730, 3969286, 7509460, 7938572, 9923215, 13892501, 19846430, 27785002, 39692860, 55570004, 69462505, 138925010, 277850020]

約数ペア:

[(1, 277850020), (2, 138925010), (4, 69462505), (5, 55570004), (7, 39692860), (10, 27785002), (14, 19846430), (20, 13892501), (28, 9923215), (35, 7938572), (37, 7509460), (70, 3969286), (74, 3754730), (140, 1984643), (148, 1877365), (185, 1501892), (259, 1072780), (370, 750946), (518, 536390), (740, 375473), (1036, 268195), (1295, 214556), (2590, 107278), (5180, 53639)]