143633840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{256489}}^1$

素因数の和:256509

約数の個数: 40

約数和(自身を含む): 381657120

約数和(自身を除く): 238023280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 256489, 512978, 1025956, 1282445, 1795423, 2051912, 2564890, 3590846, 4103824, 5129780, 7181692, 8977115, 10259560, 14363384, 17954230, 20519120, 28726768, 35908460, 71816920, 143633840]

約数ペア:

[(1, 143633840), (2, 71816920), (4, 35908460), (5, 28726768), (7, 20519120), (8, 17954230), (10, 14363384), (14, 10259560), (16, 8977115), (20, 7181692), (28, 5129780), (35, 4103824), (40, 3590846), (56, 2564890), (70, 2051912), (80, 1795423), (112, 1282445), (140, 1025956), (280, 512978), (560, 256489)]