388432900

素因数分解:

$2^2\times 5^2\times {\mathrm{881}}^1\times {\mathrm{4409}}^1$

素因数の和:5304

約数の個数: 36

約数和(自身を含む): 844047540

約数和(自身を除く): 455614640

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 881, 1762, 3524, 4405, 4409, 8810, 8818, 17620, 17636, 22025, 22045, 44050, 44090, 88100, 88180, 110225, 220450, 440900, 3884329, 7768658, 15537316, 19421645, 38843290, 77686580, 97108225, 194216450, 388432900]

約数ペア:

[(1, 388432900), (2, 194216450), (4, 97108225), (5, 77686580), (10, 38843290), (20, 19421645), (25, 15537316), (50, 7768658), (100, 3884329), (881, 440900), (1762, 220450), (3524, 110225), (4405, 88180), (4409, 88100), (8810, 44090), (8818, 44050), (17620, 22045), (17636, 22025)]