988891260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2354503}}^1$

素因数の和:2354522

約数の個数: 48

約数和(自身を含む): 3164453376

約数和(自身を除く): 2175562116

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, 2354503, 4709006, 7063509, 9418012, 11772515, 14127018, 16481521, 23545030, 28254036, 32963042, 35317545, 47090060, 49444563, 65926084, 70635090, 82407605, 98889126, 141270180, 164815210, 197778252, 247222815, 329630420, 494445630, 988891260]

約数ペア:

[(1, 988891260), (2, 494445630), (3, 329630420), (4, 247222815), (5, 197778252), (6, 164815210), (7, 141270180), (10, 98889126), (12, 82407605), (14, 70635090), (15, 65926084), (20, 49444563), (21, 47090060), (28, 35317545), (30, 32963042), (35, 28254036), (42, 23545030), (60, 16481521), (70, 14127018), (84, 11772515), (105, 9418012), (140, 7063509), (210, 4709006), (420, 2354503)]