131029700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{68963}}^1$

素因数の和:68996

約数の個数: 36

約数和(自身を含む): 299303760

約数和(自身を除く): 168274060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 68963, 137926, 275852, 344815, 689630, 1310297, 1379260, 1724075, 2620594, 3448150, 5241188, 6551485, 6896300, 13102970, 26205940, 32757425, 65514850, 131029700]

約数ペア:

[(1, 131029700), (2, 65514850), (4, 32757425), (5, 26205940), (10, 13102970), (19, 6896300), (20, 6551485), (25, 5241188), (38, 3448150), (50, 2620594), (76, 1724075), (95, 1379260), (100, 1310297), (190, 689630), (380, 344815), (475, 275852), (950, 137926), (1900, 68963)]