6881420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 18816000

約数和(自身を除く): 11934580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 199, 247, 260, 266, 364, 380, 398, 455, 494, 532, 665, 796, 910, 988, 995, 1235, 1330, 1393, 1729, 1820, 1990, 2470, 2587, 2660, 2786, 3458, 3781, 3980, 4940, 5174, 5572, 6916, 6965, 7562, 8645, 10348, 12935, 13930, 15124, 17290, 18109, 18905, 25870, 26467, 27860, 34580, 36218, 37810, 49153, 51740, 52934, 72436, 75620, 90545, 98306, 105868, 132335, 181090, 196612, 245765, 264670, 344071, 362180, 491530, 529340, 688142, 983060, 1376284, 1720355, 3440710, 6881420]

約数ペア:

[(1, 6881420), (2, 3440710), (4, 1720355), (5, 1376284), (7, 983060), (10, 688142), (13, 529340), (14, 491530), (19, 362180), (20, 344071), (26, 264670), (28, 245765), (35, 196612), (38, 181090), (52, 132335), (65, 105868), (70, 98306), (76, 90545), (91, 75620), (95, 72436), (130, 52934), (133, 51740), (140, 49153), (182, 37810), (190, 36218), (199, 34580), (247, 27860), (260, 26467), (266, 25870), (364, 18905), (380, 18109), (398, 17290), (455, 15124), (494, 13930), (532, 12935), (665, 10348), (796, 8645), (910, 7562), (988, 6965), (995, 6916), (1235, 5572), (1330, 5174), (1393, 4940), (1729, 3980), (1820, 3781), (1990, 3458), (2470, 2786), (2587, 2660)]