528487340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1\times {\mathrm{809}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 1126742400

約数和(自身を除く): 598255060

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 367, 445, 734, 809, 890, 1468, 1618, 1780, 1835, 3236, 3670, 4045, 7340, 8090, 16180, 32663, 65326, 72001, 130652, 144002, 163315, 288004, 296903, 326630, 360005, 593806, 653260, 720010, 1187612, 1440020, 1484515, 2969030, 5938060, 26424367, 52848734, 105697468, 132121835, 264243670, 528487340]

約数ペア:

[(1, 528487340), (2, 264243670), (4, 132121835), (5, 105697468), (10, 52848734), (20, 26424367), (89, 5938060), (178, 2969030), (356, 1484515), (367, 1440020), (445, 1187612), (734, 720010), (809, 653260), (890, 593806), (1468, 360005), (1618, 326630), (1780, 296903), (1835, 288004), (3236, 163315), (3670, 144002), (4045, 130652), (7340, 72001), (8090, 65326), (16180, 32663)]