191920900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 444034080

約数和(自身を除く): 252113180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 166, 190, 332, 380, 415, 475, 830, 950, 1217, 1577, 1660, 1900, 2075, 2434, 3154, 4150, 4868, 6085, 6308, 7885, 8300, 12170, 15770, 23123, 24340, 30425, 31540, 39425, 46246, 60850, 78850, 92492, 101011, 115615, 121700, 157700, 202022, 231230, 404044, 462460, 505055, 578075, 1010110, 1156150, 1919209, 2020220, 2312300, 2525275, 3838418, 5050550, 7676836, 9596045, 10101100, 19192090, 38384180, 47980225, 95960450, 191920900]

約数ペア:

[(1, 191920900), (2, 95960450), (4, 47980225), (5, 38384180), (10, 19192090), (19, 10101100), (20, 9596045), (25, 7676836), (38, 5050550), (50, 3838418), (76, 2525275), (83, 2312300), (95, 2020220), (100, 1919209), (166, 1156150), (190, 1010110), (332, 578075), (380, 505055), (415, 462460), (475, 404044), (830, 231230), (950, 202022), (1217, 157700), (1577, 121700), (1660, 115615), (1900, 101011), (2075, 92492), (2434, 78850), (3154, 60850), (4150, 46246), (4868, 39425), (6085, 31540), (6308, 30425), (7885, 24340), (8300, 23123), (12170, 15770)]