213920290

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{5749}}^1$

素因数の和:5878

約数の個数: 24

約数和(自身を含む): 391540500

約数和(自身を除く): 177620210

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 3721, 5749, 7442, 11498, 18605, 28745, 37210, 57490, 350689, 701378, 1753445, 3506890, 21392029, 42784058, 106960145, 213920290]

約数ペア:

[(1, 213920290), (2, 106960145), (5, 42784058), (10, 21392029), (61, 3506890), (122, 1753445), (305, 701378), (610, 350689), (3721, 57490), (5749, 37210), (7442, 28745), (11498, 18605)]