85318520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304709}}^1$

素因数の和:304727

約数の個数: 32

約数和(自身を含む): 219391200

約数和(自身を除く): 134072680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304709, 609418, 1218836, 1523545, 2132963, 2437672, 3047090, 4265926, 6094180, 8531852, 10664815, 12188360, 17063704, 21329630, 42659260, 85318520]

約数ペア:

[(1, 85318520), (2, 42659260), (4, 21329630), (5, 17063704), (7, 12188360), (8, 10664815), (10, 8531852), (14, 6094180), (20, 4265926), (28, 3047090), (35, 2437672), (40, 2132963), (56, 1523545), (70, 1218836), (140, 609418), (280, 304709)]