199244920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{711589}}^1$

素因数の和:711607

約数の個数: 32

約数和(自身を含む): 512344800

約数和(自身を除く): 313099880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 711589, 1423178, 2846356, 3557945, 4981123, 5692712, 7115890, 9962246, 14231780, 19924492, 24905615, 28463560, 39848984, 49811230, 99622460, 199244920]

約数ペア:

[(1, 199244920), (2, 99622460), (4, 49811230), (5, 39848984), (7, 28463560), (8, 24905615), (10, 19924492), (14, 14231780), (20, 9962246), (28, 7115890), (35, 5692712), (40, 4981123), (56, 3557945), (70, 2846356), (140, 1423178), (280, 711589)]