255020500

素因数分解:

$2^2\times 5^3\times 7^3\times {\mathrm{1487}}^1$

素因数の和:1527

約数の個数: 96

約数和(自身を含む): 649958400

約数和(自身を除く): 394937900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 343, 350, 490, 500, 686, 700, 875, 980, 1225, 1372, 1487, 1715, 1750, 2450, 2974, 3430, 3500, 4900, 5948, 6125, 6860, 7435, 8575, 10409, 12250, 14870, 17150, 20818, 24500, 29740, 34300, 37175, 41636, 42875, 52045, 72863, 74350, 85750, 104090, 145726, 148700, 171500, 185875, 208180, 260225, 291452, 364315, 371750, 510041, 520450, 728630, 743500, 1020082, 1040900, 1301125, 1457260, 1821575, 2040164, 2550205, 2602250, 3643150, 5100410, 5204500, 7286300, 9107875, 10200820, 12751025, 18215750, 25502050, 36431500, 51004100, 63755125, 127510250, 255020500]

約数ペア:

[(1, 255020500), (2, 127510250), (4, 63755125), (5, 51004100), (7, 36431500), (10, 25502050), (14, 18215750), (20, 12751025), (25, 10200820), (28, 9107875), (35, 7286300), (49, 5204500), (50, 5100410), (70, 3643150), (98, 2602250), (100, 2550205), (125, 2040164), (140, 1821575), (175, 1457260), (196, 1301125), (245, 1040900), (250, 1020082), (343, 743500), (350, 728630), (490, 520450), (500, 510041), (686, 371750), (700, 364315), (875, 291452), (980, 260225), (1225, 208180), (1372, 185875), (1487, 171500), (1715, 148700), (1750, 145726), (2450, 104090), (2974, 85750), (3430, 74350), (3500, 72863), (4900, 52045), (5948, 42875), (6125, 41636), (6860, 37175), (7435, 34300), (8575, 29740), (10409, 24500), (12250, 20818), (14870, 17150)]