403752020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{4363}}^1$

素因数の和:5040

約数の個数: 48

約数和(自身を含む): 970693248

約数和(自身を除く): 566941228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 1322, 2644, 3305, 4363, 4627, 6610, 8726, 9254, 13220, 17452, 18508, 21815, 23135, 30541, 43630, 46270, 61082, 87260, 92540, 122164, 152705, 305410, 610820, 2883943, 5767886, 11535772, 14419715, 20187601, 28839430, 40375202, 57678860, 80750404, 100938005, 201876010, 403752020]

約数ペア:

[(1, 403752020), (2, 201876010), (4, 100938005), (5, 80750404), (7, 57678860), (10, 40375202), (14, 28839430), (20, 20187601), (28, 14419715), (35, 11535772), (70, 5767886), (140, 2883943), (661, 610820), (1322, 305410), (2644, 152705), (3305, 122164), (4363, 92540), (4627, 87260), (6610, 61082), (8726, 46270), (9254, 43630), (13220, 30541), (17452, 23135), (18508, 21815)]