838117140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1995517}}^1$

素因数の和:1995536

約数の個数: 48

約数和(自身を含む): 2681976192

約数和(自身を除く): 1843859052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1995517, 3991034, 5986551, 7982068, 9977585, 11973102, 13968619, 19955170, 23946204, 27937238, 29932755, 39910340, 41905857, 55874476, 59865510, 69843095, 83811714, 119731020, 139686190, 167623428, 209529285, 279372380, 419058570, 838117140]

約数ペア:

[(1, 838117140), (2, 419058570), (3, 279372380), (4, 209529285), (5, 167623428), (6, 139686190), (7, 119731020), (10, 83811714), (12, 69843095), (14, 59865510), (15, 55874476), (20, 41905857), (21, 39910340), (28, 29932755), (30, 27937238), (35, 23946204), (42, 19955170), (60, 13968619), (70, 11973102), (84, 9977585), (105, 7982068), (140, 5986551), (210, 3991034), (420, 1995517)]