190027900

素因数分解:

$2^2\times 5^2\times {\mathrm{431}}^1\times {\mathrm{4409}}^1$

素因数の和:4854

約数の個数: 36

約数和(自身を含む): 413411040

約数和(自身を除く): 223383140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 431, 862, 1724, 2155, 4310, 4409, 8620, 8818, 10775, 17636, 21550, 22045, 43100, 44090, 88180, 110225, 220450, 440900, 1900279, 3800558, 7601116, 9501395, 19002790, 38005580, 47506975, 95013950, 190027900]

約数ペア:

[(1, 190027900), (2, 95013950), (4, 47506975), (5, 38005580), (10, 19002790), (20, 9501395), (25, 7601116), (50, 3800558), (100, 1900279), (431, 440900), (862, 220450), (1724, 110225), (2155, 88180), (4310, 44090), (4409, 43100), (8620, 22045), (8818, 21550), (10775, 17636)]