128385870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251737}}^1$

素因数の和:251764

約数の個数: 32

約数和(自身を含む): 326252448

約数和(自身を除く): 197866578

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 251737, 503474, 755211, 1258685, 1510422, 2517370, 3776055, 4279529, 7552110, 8559058, 12838587, 21397645, 25677174, 42795290, 64192935, 128385870]

約数ペア:

[(1, 128385870), (2, 64192935), (3, 42795290), (5, 25677174), (6, 21397645), (10, 12838587), (15, 8559058), (17, 7552110), (30, 4279529), (34, 3776055), (51, 2517370), (85, 1510422), (102, 1258685), (170, 755211), (255, 503474), (510, 251737)]