78568420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29537}}^1$

素因数の和:29572

約数の個数: 48

約数和(自身を含む): 198495360

約数和(自身を除く): 119926940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 29537, 59074, 118148, 147685, 206759, 295370, 413518, 561203, 590740, 827036, 1033795, 1122406, 2067590, 2244812, 2806015, 3928421, 4135180, 5612030, 7856842, 11224060, 15713684, 19642105, 39284210, 78568420]

約数ペア:

[(1, 78568420), (2, 39284210), (4, 19642105), (5, 15713684), (7, 11224060), (10, 7856842), (14, 5612030), (19, 4135180), (20, 3928421), (28, 2806015), (35, 2244812), (38, 2067590), (70, 1122406), (76, 1033795), (95, 827036), (133, 590740), (140, 561203), (190, 413518), (266, 295370), (380, 206759), (532, 147685), (665, 118148), (1330, 59074), (2660, 29537)]