291010000

素因数分解:

$2^4\times 5^4\times {\mathrm{29101}}^1$

素因数の和:29129

約数の個数: 50

約数和(自身を含む): 704588522

約数和(自身を除く): 413578522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 29101, 58202, 116404, 145505, 232808, 291010, 465616, 582020, 727525, 1164040, 1455050, 2328080, 2910100, 3637625, 5820200, 7275250, 11640400, 14550500, 18188125, 29101000, 36376250, 58202000, 72752500, 145505000, 291010000]

約数ペア:

[(1, 291010000), (2, 145505000), (4, 72752500), (5, 58202000), (8, 36376250), (10, 29101000), (16, 18188125), (20, 14550500), (25, 11640400), (40, 7275250), (50, 5820200), (80, 3637625), (100, 2910100), (125, 2328080), (200, 1455050), (250, 1164040), (400, 727525), (500, 582020), (625, 465616), (1000, 291010), (1250, 232808), (2000, 145505), (2500, 116404), (5000, 58202), (10000, 29101)]