145628420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1040203}}^1$

素因数の和:1040219

約数の個数: 24

約数和(自身を含む): 349508544

約数和(自身を除く): 203880124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1040203, 2080406, 4160812, 5201015, 7281421, 10402030, 14562842, 20804060, 29125684, 36407105, 72814210, 145628420]

約数ペア:

[(1, 145628420), (2, 72814210), (4, 36407105), (5, 29125684), (7, 20804060), (10, 14562842), (14, 10402030), (20, 7281421), (28, 5201015), (35, 4160812), (70, 2080406), (140, 1040203)]