102389480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 244080000

約数和(自身を除く): 141690520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 677, 760, 796, 995, 1354, 1592, 1990, 2708, 3385, 3781, 3980, 5416, 6770, 7562, 7960, 12863, 13540, 15124, 18905, 25726, 27080, 30248, 37810, 51452, 64315, 75620, 102904, 128630, 134723, 151240, 257260, 269446, 514520, 538892, 673615, 1077784, 1347230, 2559737, 2694460, 5119474, 5388920, 10238948, 12798685, 20477896, 25597370, 51194740, 102389480]

約数ペア:

[(1, 102389480), (2, 51194740), (4, 25597370), (5, 20477896), (8, 12798685), (10, 10238948), (19, 5388920), (20, 5119474), (38, 2694460), (40, 2559737), (76, 1347230), (95, 1077784), (152, 673615), (190, 538892), (199, 514520), (380, 269446), (398, 257260), (677, 151240), (760, 134723), (796, 128630), (995, 102904), (1354, 75620), (1592, 64315), (1990, 51452), (2708, 37810), (3385, 30248), (3781, 27080), (3980, 25726), (5416, 18905), (6770, 15124), (7562, 13540), (7960, 12863)]