128190020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{863}}^1\times {\mathrm{1061}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 308302848

約数和(自身を除く): 180112828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 863, 1061, 1726, 2122, 3452, 4244, 4315, 5305, 6041, 7427, 8630, 10610, 12082, 14854, 17260, 21220, 24164, 29708, 30205, 37135, 60410, 74270, 120820, 148540, 915643, 1831286, 3662572, 4578215, 6409501, 9156430, 12819002, 18312860, 25638004, 32047505, 64095010, 128190020]

約数ペア:

[(1, 128190020), (2, 64095010), (4, 32047505), (5, 25638004), (7, 18312860), (10, 12819002), (14, 9156430), (20, 6409501), (28, 4578215), (35, 3662572), (70, 1831286), (140, 915643), (863, 148540), (1061, 120820), (1726, 74270), (2122, 60410), (3452, 37135), (4244, 30205), (4315, 29708), (5305, 24164), (6041, 21220), (7427, 17260), (8630, 14854), (10610, 12082)]