126989000

素因数分解:

$2^3\times 5^3\times {\mathrm{126989}}^1$

素因数の和:127010

約数の個数: 32

約数和(自身を含む): 297156600

約数和(自身を除く): 170167600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 126989, 253978, 507956, 634945, 1015912, 1269890, 2539780, 3174725, 5079560, 6349450, 12698900, 15873625, 25397800, 31747250, 63494500, 126989000]

約数ペア:

[(1, 126989000), (2, 63494500), (4, 31747250), (5, 25397800), (8, 15873625), (10, 12698900), (20, 6349450), (25, 5079560), (40, 3174725), (50, 2539780), (100, 1269890), (125, 1015912), (200, 634945), (250, 507956), (500, 253978), (1000, 126989)]