2538458440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9065923}}^1$

素因数の和:9065941

約数の個数: 32

約数和(自身を含む): 6527465280

約数和(自身を除く): 3989006840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9065923, 18131846, 36263692, 45329615, 63461461, 72527384, 90659230, 126922922, 181318460, 253845844, 317307305, 362636920, 507691688, 634614610, 1269229220, 2538458440]

約数ペア:

[(1, 2538458440), (2, 1269229220), (4, 634614610), (5, 507691688), (7, 362636920), (8, 317307305), (10, 253845844), (14, 181318460), (20, 126922922), (28, 90659230), (35, 72527384), (40, 63461461), (56, 45329615), (70, 36263692), (140, 18131846), (280, 9065923)]