201255775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 307212480

約数和(自身を除く): 105956705

約数列:

[1, 5, 7, 17, 25, 35, 61, 85, 119, 175, 305, 425, 427, 595, 1037, 1109, 1525, 2135, 2975, 5185, 5545, 7259, 7763, 10675, 18853, 25925, 27725, 36295, 38815, 67649, 94265, 131971, 181475, 194075, 338245, 471325, 473543, 659855, 1150033, 1691225, 2367715, 3299275, 5750165, 8050231, 11838575, 28750825, 40251155, 201255775]

約数ペア:

[(1, 201255775), (5, 40251155), (7, 28750825), (17, 11838575), (25, 8050231), (35, 5750165), (61, 3299275), (85, 2367715), (119, 1691225), (175, 1150033), (305, 659855), (425, 473543), (427, 471325), (595, 338245), (1037, 194075), (1109, 181475), (1525, 131971), (2135, 94265), (2975, 67649), (5185, 38815), (5545, 36295), (7259, 27725), (7763, 25925), (10675, 18853)]