201425720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{218941}}^1$

素因数の和:218975

約数の個数: 32

約数和(自身を含む): 472914720

約数和(自身を除く): 271489000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 218941, 437882, 875764, 1094705, 1751528, 2189410, 4378820, 5035643, 8757640, 10071286, 20142572, 25178215, 40285144, 50356430, 100712860, 201425720]

約数ペア:

[(1, 201425720), (2, 100712860), (4, 50356430), (5, 40285144), (8, 25178215), (10, 20142572), (20, 10071286), (23, 8757640), (40, 5035643), (46, 4378820), (92, 2189410), (115, 1751528), (184, 1094705), (230, 875764), (460, 437882), (920, 218941)]