199950980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{188633}}^1$

素因数の和:188695

約数の個数: 24

約数和(自身を含む): 427821912

約数和(自身を除く): 227870932

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 188633, 377266, 754532, 943165, 1886330, 3772660, 9997549, 19995098, 39990196, 49987745, 99975490, 199950980]

約数ペア:

[(1, 199950980), (2, 99975490), (4, 49987745), (5, 39990196), (10, 19995098), (20, 9997549), (53, 3772660), (106, 1886330), (212, 943165), (265, 754532), (530, 377266), (1060, 188633)]