200618780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{3571}}^1$

素因数の和:3686

約数の個数: 36

約数和(自身を含む): 429518712

約数和(自身を除く): 228899932

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 2809, 3571, 5618, 7142, 11236, 14045, 14284, 17855, 28090, 35710, 56180, 71420, 189263, 378526, 757052, 946315, 1892630, 3785260, 10030939, 20061878, 40123756, 50154695, 100309390, 200618780]

約数ペア:

[(1, 200618780), (2, 100309390), (4, 50154695), (5, 40123756), (10, 20061878), (20, 10030939), (53, 3785260), (106, 1892630), (212, 946315), (265, 757052), (530, 378526), (1060, 189263), (2809, 71420), (3571, 56180), (5618, 35710), (7142, 28090), (11236, 17855), (14045, 14284)]