220557680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{393853}}^1$

素因数の和:393873

約数の個数: 40

約数和(自身を含む): 586054752

約数和(自身を除く): 365497072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 393853, 787706, 1575412, 1969265, 2756971, 3150824, 3938530, 5513942, 6301648, 7877060, 11027884, 13784855, 15754120, 22055768, 27569710, 31508240, 44111536, 55139420, 110278840, 220557680]

約数ペア:

[(1, 220557680), (2, 110278840), (4, 55139420), (5, 44111536), (7, 31508240), (8, 27569710), (10, 22055768), (14, 15754120), (16, 13784855), (20, 11027884), (28, 7877060), (35, 6301648), (40, 5513942), (56, 3938530), (70, 3150824), (80, 2756971), (112, 1969265), (140, 1575412), (280, 787706), (560, 393853)]