11991100

素因数分解:

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

素因数の和:1027

約数の個数: 54

約数和(自身を含む): 28630112

約数和(自身を除く): 16639012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 991, 1100, 1210, 1982, 2420, 3025, 3964, 4955, 6050, 9910, 10901, 12100, 19820, 21802, 24775, 43604, 49550, 54505, 99100, 109010, 119911, 218020, 239822, 272525, 479644, 545050, 599555, 1090100, 1199110, 2398220, 2997775, 5995550, 11991100]

約数ペア:

[(1, 11991100), (2, 5995550), (4, 2997775), (5, 2398220), (10, 1199110), (11, 1090100), (20, 599555), (22, 545050), (25, 479644), (44, 272525), (50, 239822), (55, 218020), (100, 119911), (110, 109010), (121, 99100), (220, 54505), (242, 49550), (275, 43604), (484, 24775), (550, 21802), (605, 19820), (991, 12100), (1100, 10901), (1210, 9910), (1982, 6050), (2420, 4955), (3025, 3964)]