67684580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{373}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 146524224

約数和(自身を除く): 78839644

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 211, 215, 373, 422, 430, 746, 844, 860, 1055, 1492, 1865, 2110, 3730, 4220, 7460, 9073, 16039, 18146, 32078, 36292, 45365, 64156, 78703, 80195, 90730, 157406, 160390, 181460, 314812, 320780, 393515, 787030, 1574060, 3384229, 6768458, 13536916, 16921145, 33842290, 67684580]

約数ペア:

[(1, 67684580), (2, 33842290), (4, 16921145), (5, 13536916), (10, 6768458), (20, 3384229), (43, 1574060), (86, 787030), (172, 393515), (211, 320780), (215, 314812), (373, 181460), (422, 160390), (430, 157406), (746, 90730), (844, 80195), (860, 78703), (1055, 64156), (1492, 45365), (1865, 36292), (2110, 32078), (3730, 18146), (4220, 16039), (7460, 9073)]