201028280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{218509}}^1$

素因数の和:218543

約数の個数: 32

約数和(自身を含む): 471981600

約数和(自身を除く): 270953320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 218509, 437018, 874036, 1092545, 1748072, 2185090, 4370180, 5025707, 8740360, 10051414, 20102828, 25128535, 40205656, 50257070, 100514140, 201028280]

約数ペア:

[(1, 201028280), (2, 100514140), (4, 50257070), (5, 40205656), (8, 25128535), (10, 20102828), (20, 10051414), (23, 8740360), (40, 5025707), (46, 4370180), (92, 2185090), (115, 1748072), (184, 1092545), (230, 874036), (460, 437018), (920, 218509)]