290852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 554400

約数和(自身を除く): 263548

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 89, 172, 178, 356, 817, 1634, 1691, 3268, 3382, 3827, 6764, 7654, 15308, 72713, 145426, 290852]

約数ペア:

[(1, 290852), (2, 145426), (4, 72713), (19, 15308), (38, 7654), (43, 6764), (76, 3827), (86, 3382), (89, 3268), (172, 1691), (178, 1634), (356, 817)]