90090590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11027}}^1$

素因数の和:11096

約数の個数: 32

約数和(自身を含む): 174683520

約数和(自身を除く): 84592930

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 11027, 22054, 55135, 110270, 209513, 419026, 474161, 948322, 1047565, 2095130, 2370805, 4741610, 9009059, 18018118, 45045295, 90090590]

約数ペア:

[(1, 90090590), (2, 45045295), (5, 18018118), (10, 9009059), (19, 4741610), (38, 2370805), (43, 2095130), (86, 1047565), (95, 948322), (190, 474161), (215, 419026), (430, 209513), (817, 110270), (1634, 55135), (4085, 22054), (8170, 11027)]