406568540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2904061}}^1$

素因数の和:2904077

約数の個数: 24

約数和(自身を含む): 975764832

約数和(自身を除く): 569196292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2904061, 5808122, 11616244, 14520305, 20328427, 29040610, 40656854, 58081220, 81313708, 101642135, 203284270, 406568540]

約数ペア:

[(1, 406568540), (2, 203284270), (4, 101642135), (5, 81313708), (7, 58081220), (10, 40656854), (14, 29040610), (20, 20328427), (28, 14520305), (35, 11616244), (70, 5808122), (140, 2904061)]