85844920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306589}}^1$

素因数の和:306607

約数の個数: 32

約数和(自身を含む): 220744800

約数和(自身を除く): 134899880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306589, 613178, 1226356, 1532945, 2146123, 2452712, 3065890, 4292246, 6131780, 8584492, 10730615, 12263560, 17168984, 21461230, 42922460, 85844920]

約数ペア:

[(1, 85844920), (2, 42922460), (4, 21461230), (5, 17168984), (7, 12263560), (8, 10730615), (10, 8584492), (14, 6131780), (20, 4292246), (28, 3065890), (35, 2452712), (40, 2146123), (56, 1532945), (70, 1226356), (140, 613178), (280, 306589)]