84457940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5857}}^1$

素因数の和:5976

約数の個数: 48

約数和(自身を含む): 204701952

約数和(自身を除く): 120244012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 5857, 7210, 11714, 14420, 23428, 29285, 40999, 58570, 81998, 117140, 163996, 204995, 409990, 603271, 819980, 1206542, 2413084, 3016355, 4222897, 6032710, 8445794, 12065420, 16891588, 21114485, 42228970, 84457940]

約数ペア:

[(1, 84457940), (2, 42228970), (4, 21114485), (5, 16891588), (7, 12065420), (10, 8445794), (14, 6032710), (20, 4222897), (28, 3016355), (35, 2413084), (70, 1206542), (103, 819980), (140, 603271), (206, 409990), (412, 204995), (515, 163996), (721, 117140), (1030, 81998), (1442, 58570), (2060, 40999), (2884, 29285), (3605, 23428), (5857, 14420), (7210, 11714)]