128658900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{428863}}^1$

素因数の和:428880

約数の個数: 36

約数和(自身を含む): 372253952

約数和(自身を除く): 243595052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 428863, 857726, 1286589, 1715452, 2144315, 2573178, 4288630, 5146356, 6432945, 8577260, 10721575, 12865890, 21443150, 25731780, 32164725, 42886300, 64329450, 128658900]

約数ペア:

[(1, 128658900), (2, 64329450), (3, 42886300), (4, 32164725), (5, 25731780), (6, 21443150), (10, 12865890), (12, 10721575), (15, 8577260), (20, 6432945), (25, 5146356), (30, 4288630), (50, 2573178), (60, 2144315), (75, 1715452), (100, 1286589), (150, 857726), (300, 428863)]