129242540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4639}}^1$

素因数の和:4854

約数の個数: 48

約数和(自身を含む): 311808000

約数和(自身を除く): 182565460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 4639, 5572, 6965, 9278, 13930, 18556, 23195, 27860, 32473, 46390, 64946, 92780, 129892, 162365, 324730, 649460, 923161, 1846322, 3692644, 4615805, 6462127, 9231610, 12924254, 18463220, 25848508, 32310635, 64621270, 129242540]

約数ペア:

[(1, 129242540), (2, 64621270), (4, 32310635), (5, 25848508), (7, 18463220), (10, 12924254), (14, 9231610), (20, 6462127), (28, 4615805), (35, 3692644), (70, 1846322), (140, 923161), (199, 649460), (398, 324730), (796, 162365), (995, 129892), (1393, 92780), (1990, 64946), (2786, 46390), (3980, 32473), (4639, 27860), (5572, 23195), (6965, 18556), (9278, 13930)]