155440250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{12689}}^1$

素因数の和:12720

約数の個数: 48

約数和(自身を含む): 338518440

約数和(自身を除く): 183078190

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 875, 1225, 1750, 2450, 6125, 12250, 12689, 25378, 63445, 88823, 126890, 177646, 317225, 444115, 621761, 634450, 888230, 1243522, 1586125, 2220575, 3108805, 3172250, 4441150, 6217610, 11102875, 15544025, 22205750, 31088050, 77720125, 155440250]

約数ペア:

[(1, 155440250), (2, 77720125), (5, 31088050), (7, 22205750), (10, 15544025), (14, 11102875), (25, 6217610), (35, 4441150), (49, 3172250), (50, 3108805), (70, 2220575), (98, 1586125), (125, 1243522), (175, 888230), (245, 634450), (250, 621761), (350, 444115), (490, 317225), (875, 177646), (1225, 126890), (1750, 88823), (2450, 63445), (6125, 25378), (12250, 12689)]