247378460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{36061}}^1$

素因数の和:36091

約数の個数: 48

約数和(自身を含む): 605841600

約数和(自身を除く): 358463140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 36061, 72122, 144244, 180305, 252427, 360610, 504854, 721220, 1009708, 1262135, 1766989, 2524270, 3533978, 5048540, 7067956, 8834945, 12368923, 17669890, 24737846, 35339780, 49475692, 61844615, 123689230, 247378460]

約数ペア:

[(1, 247378460), (2, 123689230), (4, 61844615), (5, 49475692), (7, 35339780), (10, 24737846), (14, 17669890), (20, 12368923), (28, 8834945), (35, 7067956), (49, 5048540), (70, 3533978), (98, 2524270), (140, 1766989), (196, 1262135), (245, 1009708), (343, 721220), (490, 504854), (686, 360610), (980, 252427), (1372, 180305), (1715, 144244), (3430, 72122), (6860, 36061)]