506790140

素因数分解:

$2^2\times 5^1\times {\mathrm{2251}}^1\times {\mathrm{11257}}^1$

素因数の和:13517

約数の個数: 24

約数和(自身を含む): 1064826672

約数和(自身を除く): 558036532

約数列:

[1, 2, 4, 5, 10, 20, 2251, 4502, 9004, 11255, 11257, 22510, 22514, 45020, 45028, 56285, 112570, 225140, 25339507, 50679014, 101358028, 126697535, 253395070, 506790140]

約数ペア:

[(1, 506790140), (2, 253395070), (4, 126697535), (5, 101358028), (10, 50679014), (20, 25339507), (2251, 225140), (4502, 112570), (9004, 56285), (11255, 45028), (11257, 45020), (22510, 22514)]