853460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 1811040

約数和(自身を除く): 957580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 307, 556, 614, 695, 1228, 1390, 1535, 2780, 3070, 6140, 42673, 85346, 170692, 213365, 426730, 853460]

約数ペア:

[(1, 853460), (2, 426730), (4, 213365), (5, 170692), (10, 85346), (20, 42673), (139, 6140), (278, 3070), (307, 2780), (556, 1535), (614, 1390), (695, 1228)]