515140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 1108800

約数和(自身を除く): 593660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 599, 860, 1198, 2396, 2995, 5990, 11980, 25757, 51514, 103028, 128785, 257570, 515140]

約数ペア:

[(1, 515140), (2, 257570), (4, 128785), (5, 103028), (10, 51514), (20, 25757), (43, 11980), (86, 5990), (172, 2995), (215, 2396), (430, 1198), (599, 860)]