208239640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2963}}^1$

素因数の和:3232

約数の個数: 64

約数和(自身を含む): 537788160

約数和(自身を除く): 329548520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 1004, 1255, 1757, 2008, 2510, 2963, 3514, 5020, 5926, 7028, 8785, 10040, 11852, 14056, 14815, 17570, 20741, 23704, 29630, 35140, 41482, 59260, 70280, 82964, 103705, 118520, 165928, 207410, 414820, 743713, 829640, 1487426, 2974852, 3718565, 5205991, 5949704, 7437130, 10411982, 14874260, 20823964, 26029955, 29748520, 41647928, 52059910, 104119820, 208239640]

約数ペア:

[(1, 208239640), (2, 104119820), (4, 52059910), (5, 41647928), (7, 29748520), (8, 26029955), (10, 20823964), (14, 14874260), (20, 10411982), (28, 7437130), (35, 5949704), (40, 5205991), (56, 3718565), (70, 2974852), (140, 1487426), (251, 829640), (280, 743713), (502, 414820), (1004, 207410), (1255, 165928), (1757, 118520), (2008, 103705), (2510, 82964), (2963, 70280), (3514, 59260), (5020, 41482), (5926, 35140), (7028, 29630), (8785, 23704), (10040, 20741), (11852, 17570), (14056, 14815)]