198013400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{76159}}^1$

素因数の和:76188

約数の個数: 48

約数和(自身を含む): 495801600

約数和(自身を除く): 297788200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 76159, 152318, 304636, 380795, 609272, 761590, 990067, 1523180, 1903975, 1980134, 3046360, 3807950, 3960268, 4950335, 7615900, 7920536, 9900670, 15231800, 19801340, 24751675, 39602680, 49503350, 99006700, 198013400]

約数ペア:

[(1, 198013400), (2, 99006700), (4, 49503350), (5, 39602680), (8, 24751675), (10, 19801340), (13, 15231800), (20, 9900670), (25, 7920536), (26, 7615900), (40, 4950335), (50, 3960268), (52, 3807950), (65, 3046360), (100, 1980134), (104, 1903975), (130, 1523180), (200, 990067), (260, 761590), (325, 609272), (520, 380795), (650, 304636), (1300, 152318), (2600, 76159)]