242887400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{173491}}^1$

素因数の和:173514

約数の個数: 48

約数和(自身を含む): 645390240

約数和(自身を除く): 402502840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 173491, 346982, 693964, 867455, 1214437, 1387928, 1734910, 2428874, 3469820, 4337275, 4857748, 6072185, 6939640, 8674550, 9715496, 12144370, 17349100, 24288740, 30360925, 34698200, 48577480, 60721850, 121443700, 242887400]

約数ペア:

[(1, 242887400), (2, 121443700), (4, 60721850), (5, 48577480), (7, 34698200), (8, 30360925), (10, 24288740), (14, 17349100), (20, 12144370), (25, 9715496), (28, 8674550), (35, 6939640), (40, 6072185), (50, 4857748), (56, 4337275), (70, 3469820), (100, 2428874), (140, 1734910), (175, 1387928), (200, 1214437), (280, 867455), (350, 693964), (700, 346982), (1400, 173491)]