406469980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{3187}}^1$

素因数の和:4114

約数の個数: 48

約数和(自身を含む): 976905216

約数和(自身を除く): 570435236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 911, 1822, 3187, 3644, 4555, 6374, 6377, 9110, 12748, 12754, 15935, 18220, 22309, 25508, 31870, 31885, 44618, 63740, 63770, 89236, 111545, 127540, 223090, 446180, 2903357, 5806714, 11613428, 14516785, 20323499, 29033570, 40646998, 58067140, 81293996, 101617495, 203234990, 406469980]

約数ペア:

[(1, 406469980), (2, 203234990), (4, 101617495), (5, 81293996), (7, 58067140), (10, 40646998), (14, 29033570), (20, 20323499), (28, 14516785), (35, 11613428), (70, 5806714), (140, 2903357), (911, 446180), (1822, 223090), (3187, 127540), (3644, 111545), (4555, 89236), (6374, 63770), (6377, 63740), (9110, 44618), (12748, 31885), (12754, 31870), (15935, 25508), (18220, 22309)]