78444920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103217}}^1$

素因数の和:103247

約数の個数: 32

約数和(自身を含む): 185792400

約数和(自身を除く): 107347480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 103217, 206434, 412868, 516085, 825736, 1032170, 1961123, 2064340, 3922246, 4128680, 7844492, 9805615, 15688984, 19611230, 39222460, 78444920]

約数ペア:

[(1, 78444920), (2, 39222460), (4, 19611230), (5, 15688984), (8, 9805615), (10, 7844492), (19, 4128680), (20, 3922246), (38, 2064340), (40, 1961123), (76, 1032170), (95, 825736), (152, 516085), (190, 412868), (380, 206434), (760, 103217)]