204015280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{364313}}^1$

素因数の和:364333

約数の個数: 40

約数和(自身を含む): 542099232

約数和(自身を除く): 338083952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 364313, 728626, 1457252, 1821565, 2550191, 2914504, 3643130, 5100382, 5829008, 7286260, 10200764, 12750955, 14572520, 20401528, 25501910, 29145040, 40803056, 51003820, 102007640, 204015280]

約数ペア:

[(1, 204015280), (2, 102007640), (4, 51003820), (5, 40803056), (7, 29145040), (8, 25501910), (10, 20401528), (14, 14572520), (16, 12750955), (20, 10200764), (28, 7286260), (35, 5829008), (40, 5100382), (56, 3643130), (70, 2914504), (80, 2550191), (112, 1821565), (140, 1457252), (280, 728626), (560, 364313)]