1090100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1016

約数の個数: 36

約数和(自身を含む): 2583168

約数和(自身を除く): 1493068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 991, 1100, 1982, 3964, 4955, 9910, 10901, 19820, 21802, 24775, 43604, 49550, 54505, 99100, 109010, 218020, 272525, 545050, 1090100]

約数ペア:

[(1, 1090100), (2, 545050), (4, 272525), (5, 218020), (10, 109010), (11, 99100), (20, 54505), (22, 49550), (25, 43604), (44, 24775), (50, 21802), (55, 19820), (100, 10901), (110, 9910), (220, 4955), (275, 3964), (550, 1982), (991, 1100)]