654220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4673}}^1$

素因数の和:4689

約数の個数: 24

約数和(自身を含む): 1570464

約数和(自身を除く): 916244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4673, 9346, 18692, 23365, 32711, 46730, 65422, 93460, 130844, 163555, 327110, 654220]

約数ペア:

[(1, 654220), (2, 327110), (4, 163555), (5, 130844), (7, 93460), (10, 65422), (14, 46730), (20, 32711), (28, 23365), (35, 18692), (70, 9346), (140, 4673)]