866985260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{610553}}^1$

素因数の和:610633

約数の個数: 24

約数和(自身を含む): 1846315296

約数和(自身を除く): 979330036

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 610553, 1221106, 2442212, 3052765, 6105530, 12211060, 43349263, 86698526, 173397052, 216746315, 433492630, 866985260]

約数ペア:

[(1, 866985260), (2, 433492630), (4, 216746315), (5, 173397052), (10, 86698526), (20, 43349263), (71, 12211060), (142, 6105530), (284, 3052765), (355, 2442212), (710, 1221106), (1420, 610553)]