219023320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{53161}}^1$

素因数の和:53275

約数の個数: 32

約数和(自身を含む): 497596320

約数和(自身を除く): 278573000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 53161, 106322, 212644, 265805, 425288, 531610, 1063220, 2126440, 5475583, 10951166, 21902332, 27377915, 43804664, 54755830, 109511660, 219023320]

約数ペア:

[(1, 219023320), (2, 109511660), (4, 54755830), (5, 43804664), (8, 27377915), (10, 21902332), (20, 10951166), (40, 5475583), (103, 2126440), (206, 1063220), (412, 531610), (515, 425288), (824, 265805), (1030, 212644), (2060, 106322), (4120, 53161)]