201822440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{36299}}^1$

素因数の和:36449

約数の個数: 32

約数和(自身を含む): 457380000

約数和(自身を除く): 255557560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 36299, 72598, 145196, 181495, 290392, 362990, 725980, 1451960, 5045561, 10091122, 20182244, 25227805, 40364488, 50455610, 100911220, 201822440]

約数ペア:

[(1, 201822440), (2, 100911220), (4, 50455610), (5, 40364488), (8, 25227805), (10, 20182244), (20, 10091122), (40, 5045561), (139, 1451960), (278, 725980), (556, 362990), (695, 290392), (1112, 181495), (1390, 145196), (2780, 72598), (5560, 36299)]