2490440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 5849280

約数和(自身を除く): 3358840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2707, 5414, 10828, 13535, 21656, 27070, 54140, 62261, 108280, 124522, 249044, 311305, 498088, 622610, 1245220, 2490440]

約数ペア:

[(1, 2490440), (2, 1245220), (4, 622610), (5, 498088), (8, 311305), (10, 249044), (20, 124522), (23, 108280), (40, 62261), (46, 54140), (92, 27070), (115, 21656), (184, 13535), (230, 10828), (460, 5414), (920, 2707)]