28811220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 86016000

約数和(自身を除く): 57204780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 127, 190, 199, 228, 254, 285, 380, 381, 398, 508, 570, 597, 635, 762, 796, 995, 1140, 1194, 1270, 1524, 1905, 1990, 2388, 2413, 2540, 2985, 3781, 3810, 3980, 4826, 5970, 7239, 7562, 7620, 9652, 11343, 11940, 12065, 14478, 15124, 18905, 22686, 24130, 25273, 28956, 36195, 37810, 45372, 48260, 50546, 56715, 72390, 75620, 75819, 101092, 113430, 126365, 144780, 151638, 226860, 252730, 303276, 379095, 480187, 505460, 758190, 960374, 1440561, 1516380, 1920748, 2400935, 2881122, 4801870, 5762244, 7202805, 9603740, 14405610, 28811220]

約数ペア:

[(1, 28811220), (2, 14405610), (3, 9603740), (4, 7202805), (5, 5762244), (6, 4801870), (10, 2881122), (12, 2400935), (15, 1920748), (19, 1516380), (20, 1440561), (30, 960374), (38, 758190), (57, 505460), (60, 480187), (76, 379095), (95, 303276), (114, 252730), (127, 226860), (190, 151638), (199, 144780), (228, 126365), (254, 113430), (285, 101092), (380, 75819), (381, 75620), (398, 72390), (508, 56715), (570, 50546), (597, 48260), (635, 45372), (762, 37810), (796, 36195), (995, 28956), (1140, 25273), (1194, 24130), (1270, 22686), (1524, 18905), (1905, 15124), (1990, 14478), (2388, 12065), (2413, 11940), (2540, 11343), (2985, 9652), (3781, 7620), (3810, 7562), (3980, 7239), (4826, 5970)]