128691800

素因数分解:

$2^3\times 5^2\times {\mathrm{311}}^1\times {\mathrm{2069}}^1$

素因数の和:2396

約数の個数: 48

約数和(自身を含む): 300315600

約数和(自身を除く): 171623800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 311, 622, 1244, 1555, 2069, 2488, 3110, 4138, 6220, 7775, 8276, 10345, 12440, 15550, 16552, 20690, 31100, 41380, 51725, 62200, 82760, 103450, 206900, 413800, 643459, 1286918, 2573836, 3217295, 5147672, 6434590, 12869180, 16086475, 25738360, 32172950, 64345900, 128691800]

約数ペア:

[(1, 128691800), (2, 64345900), (4, 32172950), (5, 25738360), (8, 16086475), (10, 12869180), (20, 6434590), (25, 5147672), (40, 3217295), (50, 2573836), (100, 1286918), (200, 643459), (311, 413800), (622, 206900), (1244, 103450), (1555, 82760), (2069, 62200), (2488, 51725), (3110, 41380), (4138, 31100), (6220, 20690), (7775, 16552), (8276, 15550), (10345, 12440)]