263080340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{248189}}^1$

素因数の和:248251

約数の個数: 24

約数和(自身を含む): 562894920

約数和(自身を除く): 299814580

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 248189, 496378, 992756, 1240945, 2481890, 4963780, 13154017, 26308034, 52616068, 65770085, 131540170, 263080340]

約数ペア:

[(1, 263080340), (2, 131540170), (4, 65770085), (5, 52616068), (10, 26308034), (20, 13154017), (53, 4963780), (106, 2481890), (212, 1240945), (265, 992756), (530, 496378), (1060, 248189)]