406589540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2904211}}^1$

素因数の和:2904227

約数の個数: 24

約数和(自身を含む): 975815232

約数和(自身を除く): 569225692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2904211, 5808422, 11616844, 14521055, 20329477, 29042110, 40658954, 58084220, 81317908, 101647385, 203294770, 406589540]

約数ペア:

[(1, 406589540), (2, 203294770), (4, 101647385), (5, 81317908), (7, 58084220), (10, 40658954), (14, 29042110), (20, 20329477), (28, 14521055), (35, 11616844), (70, 5808422), (140, 2904211)]