208371660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{496123}}^1$

素因数の和:496142

約数の個数: 48

約数和(自身を含む): 666790656

約数和(自身を除く): 458418996

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, 496123, 992246, 1488369, 1984492, 2480615, 2976738, 3472861, 4961230, 5953476, 6945722, 7441845, 9922460, 10418583, 13891444, 14883690, 17364305, 20837166, 29767380, 34728610, 41674332, 52092915, 69457220, 104185830, 208371660]

約数ペア:

[(1, 208371660), (2, 104185830), (3, 69457220), (4, 52092915), (5, 41674332), (6, 34728610), (7, 29767380), (10, 20837166), (12, 17364305), (14, 14883690), (15, 13891444), (20, 10418583), (21, 9922460), (28, 7441845), (30, 6945722), (35, 5953476), (42, 4961230), (60, 3472861), (70, 2976738), (84, 2480615), (105, 1984492), (140, 1488369), (210, 992246), (420, 496123)]